Anniversaries are a beautiful reminder of the love, commitment, and journey two people share. Whether it’s your first year together or you’re celebrating decades of love, marking the occasion with a heartfelt Instagram post is a wonderful way to share your joy with the world.

Finding the perfect caption can add that extra touch of meaning to your post, and with so many different aspects of love to celebrate, there’s a caption for every kind of relationship.

Here are 500+ anniversary captions, organized by theme, to help you express your love and gratitude on your special day.

Romantic Anniversary Captions

Heartfelt and Emotional

“You are my today and all of my tomorrows.”

“Every love story is beautiful, but ours is my favorite.”

“You make my heart smile every single day.”

“Forever grateful for another year with you.”

“Here’s to many more years of love and happiness.”

“You’re the best thing that ever happened to me.”

“My heart is and always will be yours.”

“Together is a beautiful place to be.”

“With each passing year, I love you more.”

“You are my greatest adventure.”

Sweet and Simple

“Happy anniversary, my love.”

“Cheers to us!”

“To the love of my life—happy anniversary.”

“Forever and always.”

“You & me, always.”

“Another year, another reason to love you.”

“Thank you for being mine.”

“Together forever.”

“You’re my everything.”

“Happy anniversary to the one I love.”

Poetic and Dreamy

“You are the moon to my night and the sun to my day.”

“In you, I’ve found the love of my life and my truest friend.”

“Our love is a journey, starting at forever and ending at never.”

“Every moment with you is a dream come true.”

“You’re the melody to my life’s song.”

“In the story of my life, you’re my favorite chapter.”

“Our love is written in the stars.”

“With you, every day is a fairytale.”

“You’re the poetry my heart sings.”

“In your arms, I’ve found my forever.”