What to Write in a Christmas Card for Your In-Laws

The Christmas card to your in-laws is one of those tasks that looks simple on the list and then somehow takes twenty minutes of staring at a blank card wondering if "lots of love" is too much or "best wishes" is too cold.

You want to get it right. You want it to feel warm without being over the top, personal without being awkward, and festive without being so generic it could have come from anyone.

Whether you get on brilliantly with your in-laws, have a perfectly pleasant but slightly formal relationship, or are somewhere in the middle — here are the right words for every situation.

Warm and Heartfelt Christmas Messages for In-Laws

For when you genuinely adore them and want them to know it.

• Wishing you both a wonderful Christmas — we feel so lucky to have you in our corner. With lots of love.
• To the in-laws who never really felt like in-laws — thank you for everything and happy Christmas.
• Wishing you a Christmas full of everything you love. We're so grateful for all you do for our family.
• Happy Christmas to two of our favourite people. Thank you for welcoming me so warmly — I don't take it for granted.
• To my wonderful in-laws — wishing you a peaceful, happy Christmas and a brilliant New Year.

Friendly but Not Over the Top

For a warm relationship that doesn't need to go full Hallmark.

• Wishing you both a lovely Christmas and a happy New Year — hope you have a wonderful one.
• Happy Christmas! Hope you have a brilliant day and a well-deserved rest over the holidays.
• Wishing you a warm and happy Christmas — looking forward to seeing you in the New Year.
• Happy Christmas to you both — hope it's a good one. Lots of love.
• Wishing you a peaceful Christmas and a happy New Year. See you soon

From the Whole Family

When it's signed from both of you, and possibly the children and the dog.

• Wishing you a very happy Christmas from all of us — can't wait to celebrate together.
• Happy Christmas with all our love — from [names] and the chaos that follows us everywhere.
• Wishing you the loveliest Christmas — from our mad little family to yours.
• Happy Christmas! The house will be much louder when we arrive. Sorry in advance. Love from all of us.

A Little Bit of Humour

For the in-laws who'd appreciate a gentle laugh.

• Wishing you a very happy Christmas — thank you for raising someone I actually want to spend it with.
• Happy Christmas to the in-laws! You get full credit for how well he turned out. Mostly.
• Another Christmas together — you're stuck with us now. Happy Christmas, with love.
• To the in-laws who have never once made me feel like the spare part — happy Christmas and thank you.

Short and Simple Christmas Wishes for In-Laws

Sometimes the card says it all and you just need to sign it.

• Wishing you a very happy Christmas — with lots of love.
• Happy Christmas — hope it's a wonderful one.
• Wishing you all the joy of the season. Happy Christmas.
• With love and warm wishes for Christmas and the New Year.

What to Write When It's Complicated

Not every in-law relationship is straightforward, and that's fine. If things are a little strained or you're keeping it cordial, something simple and genuine is always the right call — nobody needs the Christmas card to carry more weight than it should.

• Wishing you a peaceful and happy Christmas.
• Hope you have a lovely Christmas and a good New Year.
• Warm wishes for Christmas and the year ahead.

Short, warm, sincere. Job done.

Tips for the In-Law Christmas Card

If in doubt, go warmer than you think. Most people err on the side of too formal with in-laws and then wish they'd said a little more. A Christmas card is a safe place to be generous.

Mention the grandchildren if you have them. Nothing lands better with grandparents than a reference to the kids — even just "the children are so excited" adds a personal touch that feels genuine.

Sign from everyone. Even if it's just you writing it, "love from all of us" makes it feel like a family card rather than a solo diplomatic mission.

Find the Perfect Card for Your In-Laws

Once the words are sorted, you'll want a card that looks as good as it reads. Our Christmas cards for in-laws are printed on 300gsm smooth matt card and delivered across the UK — no last-minute scramble required.

Buying for the wider family too? Browse our Christmas cards for family, Christmas cards for parents and our full range of Christmas cards — there's something for everyone on your list.

Know exactly who you're writing to? We also have dedicated collections for son and daughter-in-law, daughter and son-in-law, sister and brother-in-law, and brother and sister-in-law — each personalised with both their names.