18th Birthday Cards For Son

Celebrate your son's coming of age with the perfect 18th birthday card! These milestone cards come in a variety of designs, from simple and classic to funny and irreverent. Add a thoughtful message to show your son how proud you are of the person he has become and all that he has accomplished. From sentimental sentiments to humorous quips, there is a card out there that will perfectly capture your love and pride for your son on his special day.

man celebrating birthday

Most Popular Cards

son birthday with cake and mouse card son birthday with cake and mouse card

$3.87

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Happy Birthday Son Card Happy Birthday Son Card

$3.97

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Happy Birthday Custom Photo Boy Birthday Card Happy Birthday Custom Photo Boy Birthday Card

$3.97

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Son 6 Photo Collage Any Age Happy Birthday Card Son 6 Photo Collage Any Age Happy Birthday Card

$9.20

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Custom Photo. Son. Birthday. Card Custom Photo. Son. Birthday. Card

$3.82

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Best Son Ever Birthday Bear Hug Animal fun Card Best Son Ever Birthday Bear Hug Animal fun Card

$4.17

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For my son on his birthday card For my son on his birthday card

$3.97

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Son Number 14 Photo Collage Big 14th Birthday Card Son Number 14 Photo Collage Big 14th Birthday Card

$9.20

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“Amazing Son Birthday” Inspirivity  Card “Amazing Son Birthday” Inspirivity Card

$4.17

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40th Birthday Son Green Modern Photo Collage Card 40th Birthday Son Green Modern Photo Collage Card

$4.07

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Son 16th Birthday Photo Card Son 16th Birthday Photo Card

$3.27

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Son 7 Photo Collage Personalized Birthday Card Son 7 Photo Collage Personalized Birthday Card

$9.20

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Birthday, Son,  Rough-legged Hawk Card Birthday, Son, Rough-legged Hawk Card

$3.97

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for Son a Nautical Sailing Themed Birthday Card for Son a Nautical Sailing Themed Birthday Card

$4.17

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Birthday wishes special son blue photo card Birthday wishes special son blue photo card

$4.17

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16th Birthday Son Number 16 Photo Collage Big Card 16th Birthday Son Number 16 Photo Collage Big Card

$9.30

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Happy 18th Birthday Wishes for Son

Celebrating a milestone birthday like an 18th birthday is a special moment in every son's life. To make the day even more extraordinary, a heartfelt and inspiring greeting card can go a long way! Here are five ideas for what to write in an 18th birthday card for your son:

"Happy 18th birthday, son! It’s a privilege to watch you grow into an adult and see your potential shine. Wishing you a life filled with happiness, success and that all your dreams come true!"

"To my dearest son, on your special day. You have accomplished so much and made us proud every day. Remember that we are always here to love and support you in all your future endeavors. Happy 18th birthday!"

"As you turn 18 today, we are reminded of the many wonderful memories we have shared together. And even though you're growing up fast, we still see the little boy that you were. May this year bring you everything you hope for and more. Happy birthday, son!"

"18 years ago today, we were blessed with the most precious gift anyone could ask for - YOU! You’ve brought us a lifetime of joy and pride, and we can't wait to see what comes next. Happy birthday to our loving son!"

"No matter where life takes you, our love for you will always remain constant. On this significant day, we celebrate the amazing son that you are and the wonderful man that you will become. Wishing you a lifetime filled with love, happiness, and blessings. Happy 18th birthday!"

Happy 18th Birthday Sayings for Son