21st Birthday Invitations

If you're planning a 21st birthday party, you're in luck. There are plenty of options for invitations, from the traditional to the creative to the interactive. Here are some of our favorites.

Sip Sip Hooray Birthday Invitation, Grey, 100% Recycled Cardstock , Rounded, Charcoal

Starting at $4.16 $2.23

A stylish grey birthday invitation with scallop trim and space for favorite photos and event details.

Pros: design, ease of use, compliments received

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Bokeh Confetti Birthday Invitation, none, Black, 5x7 Flat, Standard Smooth Cardstock, Rounded, Black

Starting at $3.01 $1.89

A stylish black birthday invitation with a scallop trim, printed on pearl shimmer cardstock.

Pros: Beautiful appearance, High quality, Easy to design, Quick delivery, Elegant and classy design

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Party People Birthday Invitation, Beige, 5x7 Flat, Pearl Shimmer Cardstock, Square, Cream

Starting at $3.72 $1.95

A beige 5x7 birthday invitation with a matte finish and bracket trim, designed to look like foil or glitter.

Pros: beautiful, customization options, appearance

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Vintage Scalloped Frame Birthday Invitation, Grey, 100% Recycled Cardstock , Rounded, Charcoal

Starting at $4.16 $2.23

A stylish grey birthday invitation on 100% recycled cardstock with a bracket trim.

Pros: Beautiful design, Unique and elegant, High quality paper, Easy to customize, Quick service

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Striped Party Birthday Invitation, Black, Pearl Shimmer Cardstock, Square, Black

Starting at $4.07 $2.50

A stylish black birthday invitation on signature smooth cardstock with rounded trim, perfect for adding photos.

Pros: Perfect design, Great quality, Easy to use, Received compliments, Fast shipping

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Floral Birthday Girl Birthday Invitation, Grey, Pearl Shimmer Cardstock, Rounded, Charcoal

Starting at $4 $2.23

A stylish grey birthday invitation with rounded trim, perfect for a fun-filled celebration.

Pros: Fast speed, Good quality, Great color, Clear design, Easy customization

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What A Year Boy Birthday Invitation, Blue, Pearl Shimmer Cardstock, Square, Majorca

Starting at $4.07 $2.50

A blue matte birthday invitation with rounded trim and customizable photos and event details.

Pros: quick, great format, worked perfect

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Watercolor Festivities Birthday Invitation, White, Pearl Shimmer Cardstock, Square, White

Starting at $3.72 $1.95

A stylish white birthday invitation with watercolor festivities design, customizable with photos and event details.

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Rustically Floral Birthday Invitation, Grey, 5x7 Flat, Standard Smooth Cardstock, Rounded, Light Gray

Starting at $3.01 $1.89

A stylish grey birthday invitation with rustic floral design, printed on luxe double-thick cardstock.

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Bright Birthday Birthday Invitation, Pink, 5x7 Flat, Matte, Signature Smooth Cardstock, Rounded, Priscilla

Starting at $3.71 $2

A stylish pink birthday invitation with rounded trim and customizable photos and event details.

Pros: cute, met expectations, nice colors

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Speckled Hello Birthday Invitation, White, 5x7 Flat, 100% Recycled Cardstock , Rounded, White

Starting at $4.16 $2.23

A stylish birthday invitation with a white speckled design, printed on pearl shimmer cardstock.

Pros: good quality, accurate representation, great price

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Headline Highlight Birthday Invitation, White, 5x7 Flat, Matte, Signature Smooth Cardstock, Square, White

Starting at $3.43 $1.72

A stylish white birthday invitation with rounded edges, perfect for adding your favorite photos and event details.

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Surprise Party Birthday Invitation, Black, 5x7 Flat, Pearl Shimmer Cardstock, Rounded, Black

Starting at $4 $2.23

A stylish black birthday invitation with luxe double-thick cardstock and customizable photos and event details.

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Cocktail Cheers Birthday Invitation, Black, 5x7 Flat, Matte, Signature Smooth Cardstock, Rounded, Black

Starting at $3.71 $2

A stylish black birthday invitation with space for photos and event details on signature smooth cardstock.

Pros: easy to use, good invitation, invitation design

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Happy Hooray Birthday Invitation, Blue, 5x7 Flat, Standard Smooth Cardstock, Square, Blue

Starting at $2.73 $1.61

A stylish blue birthday invitation with rounded edges, perfect for adding photos and event details.

Pros: fast shipping, great design, color

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Cascading Glimmer Birthday Invitation, White, Antique Gold Glitter, Matte, Signature Smooth Cardstock, Square, White

Starting at $4.89 $2.69

Pros: great price, timely delivery, appearance

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Bold Party Birthday Invitation, White, 5x7 Flat, Luxe Double-Thick Cardstock, Square, White

Starting at $5.42 $2.72

A stylish white birthday invitation with pearl shimmer cardstock and space for favorite photos.

Pros: perfect card stock, beautiful print, consistent satisfaction

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Cold One Birthday Invitation, Blue, 5x7 Flat, 100% Recycled Cardstock , Square, Blue

Starting at $3.88 $1.95

A blue Cold One Birthday Invitation with a pearl shimmer cardstock finish, designed by Stacy Claire Boyd.

Pros: easy to send, quick design

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Modern Fifty Birthday Invitation, Grey, 5x7 Flat, 100% Recycled Cardstock , Rounded, Charcoal

Starting at $4.16 $2.23

A stylish grey birthday invitation with room for photos and event details, printed on smooth cardstock.

Pros: easy to use, compliments received, good quality invitations

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Farmhouse Frame Birthday Invitation, White, 5x7 Flat, 100% Recycled Cardstock , Rounded, White

Starting at $4.16 $2.23

A stylish white birthday invitation with space for photos and event details on standard smooth cardstock.

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Color Cadence Birthday Invitation, White, 5x7 Flat, Standard Smooth Cardstock, Square, White

Starting at $2.73 $1.61

A stylish 5x7 flat birthday invitation on white 100% recycled cardstock with a square trim.

Pros: personalization, color, good as momentos

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Elegant Essentials Birthday Invitation, White, 5x7 Flat, Pearl Shimmer Cardstock, Square, White

Starting at $3.72 $1.95

A stylish white birthday invitation with customizable photos and event details on standard smooth cardstock.

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Celebrate Birthday Girl Birthday Invitation, White, 5x7 Flat, Luxe Double-Thick Cardstock, Square, White

Starting at $5.42 $2.72

A stylish birthday invitation in white, featuring your favorite photos and event details.

Pros: cute design, easy to use customization tool, affordable price

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Disney The Lion King Birthday Birthday Invitation, Grey, 5x7 Flat, Luxe Double-Thick Cardstock, Square, Whisper Gray

Starting at $5.42 $2.72

A stylish grey birthday invitation featuring Disney's The Lion King theme, with space for photos and event details.

Pros: cute design, good default back design

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21st Birthday Invitations

Turning 21 is a milestone that’s often celebrated with unforgettable gatherings, laughter, and the excitement of adulthood’s next chapter. As September brings its crisp air and the first hints of fall, it’s the perfect backdrop for planning a 21st birthday celebration that feels both personal and momentous. Whether you’re organizing a cozy backyard barbecue as the leaves start to change or envisioning a lively evening with friends in a favorite local spot, the right invitation sets the tone for the entire event. Invitations for a 21st birthday aren’t just pieces of paper or digital messages—they’re the first glimpse your guests get into the spirit of your celebration. They can reflect your unique style, hint at a theme, or simply capture the thrill of turning 21. When choosing invitations, consider how the design, color palette, and wording can echo the personality of the birthday honoree. For those who love autumn, think about incorporating seasonal motifs like golden leaves, rich burgundies, or even subtle metallic accents that shimmer like the promise of a night out. If the birthday falls closer to the end of summer, bright hues and playful patterns can help keep the party vibe light and energetic.

Selecting the perfect 21st birthday invitation goes beyond just aesthetics—it’s about creating a keepsake that will be cherished long after the celebration ends. Many people save their milestone birthday invitations as mementos, tucking them into photo albums or memory boxes alongside snapshots from the big night. For the guest of honor, receiving a thoughtfully designed invitation can make the occasion feel all the more special, while guests appreciate the attention to detail that helps them get excited and prepared for the festivities. When shopping for invitations, think about the scale of your event and the guest list. Smaller, intimate gatherings might call for invitations with a personal touch, such as handwritten notes or custom photos, while larger parties could benefit from bold, eye-catching designs that stand out in a crowded mailbox. Don’t forget to consider practical details—like including RSVP information, dress codes, or directions to the venue—to ensure your guests have everything they need to join in the fun. And for those seeking something truly one-of-a-kind, there’s a wealth of inspiration available in collections dedicated to Unique Birthday Invitations, where you can find options that break from tradition and make your celebration unforgettable.

Invitations for a 21st birthday aren’t limited to party planners or the birthday individual themselves. Friends and family members often use them as a thoughtful way to surprise someone with a party or to coordinate group gatherings, especially when the guest of honor is away at college or living in a new city. These invitations can also double as creative gifts—imagine presenting a beautifully designed invitation alongside a favorite bottle of wine or a set of personalized glasses, tying the celebration together with a personal touch. As you prepare for this once-in-a-lifetime birthday, let your invitations become an extension of the excitement and anticipation that surrounds turning 21. Whether you’re drawn to classic elegance, modern minimalism, or whimsical designs that capture the joy of the moment, the right invitation will help you gather your favorite people for a celebration that’s as memorable as the milestone itself.