Sometimes it’s not just one person who deserves a shoutout on Father’s Day. If your grandparents have been an important part of your life—whether they helped raise you or just love you loads—they totally deserve a card too.
Whether it’s one grandparent or both, these message ideas are designed to help you show your appreciation and make them smile.
Sweet & Sentimental
These heartfelt messages are perfect for expressing how much their love and support have shaped your life. Whether they've been there for every milestone or offered constant encouragement, these lines will show them just how appreciated they are.
- Thank you for being a constant source of love and kindness.
- I’m so lucky to have grandparents who feel more like superheroes.
- You’ve always been there for me with open arms and an open heart.
Funny, Jokes, Playful or Happy
When your grandparents enjoy a good giggle, these playful messages are perfect. Whether it’s a silly inside joke or a little cheeky humour, these lines will bring a smile to their faces.
- Happy Father’s Day! I hope your day is as full of snacks and naps as you are.
- Grandad still tells the best stories—and Grandma still finishes them for him!
- To the coolest grandparents I know—may your day be relaxing and gossip-filled.
Rude, Cheeky or Sarcastic
If you and your grandparents enjoy a bit of banter, these cheeky messages are just the ticket. They’re full of personality and perfect for cards that are more sass than sap.
- Cheers to the grandparents who’ve mastered the art of day drinking and dozing off.
- You’re both wise, wonderful, and slightly inappropriate. My kind of people.
- Happy Father’s Day to the original dynamic duo—older, bolder, and still fabulous.
Short & Simple
Sometimes you only need a few words to say a lot. These short and simple lines are ideal for when you want to keep your card heartfelt without writing an essay.
- Love you loads, always have.
- You mean the world to me.
- Happy Father’s Day to two of the best.
Personalised Message Ideas
Every grandparent-grandchild relationship is unique. These personalised message ideas let you add that extra touch by including shared memories, traditions, or funny moments.
- I’ll never forget summer holidays at yours—they were the best part of growing up.
- From endless stories to endless snacks, thank you for it all.
- No matter how old I get, I’ll always be your grandchild first.
Optional Extras
Love Messages, Poems or Quotes:
- "Grandparents make the world a little softer, a little kinder, and a little warmer."
- "Love is the greatest gift one generation can leave to another."
- "If I’m half as wonderful as you two, I’m doing great."
Short Messages in Other Languages:
- French: Bonne Fête des Pères à mes grands-parents adorés !
- Spanish: ¡Feliz Día del Padre, abuelos!
- Polish: Wszystkiego najlepszego z okazji Dnia Ojca, Dziadkowie!
Like a Dad
If your grandparents have ever taken on a fatherly role in your life, these messages let you say thank you in the most meaningful way. They’re full of gratitude, warmth, and love.
- You’ve always been like a second set of parents—and I couldn’t be more grateful.
- Thank you for your endless love, strength, and dad-level wisdom.
- You’ve helped shape who I am. I love you more than words can say.
Need the perfect card to match the message? Explore our Father's Day cards for grandparents here.
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