At Moonpig, we know birthdays are all about making your son feel special – whether he's still little or all grown-up. We've been spreading smiles with our huge range of greeting cards for over 25 years, so you're sure to find the perfect birthday card to show him how much he means to you. From heartfelt messages that warm his heart to Funny Birthday Cards that'll have him laughing all day, we've got every style covered.
Explore our brilliant collection of Son Birthday Cards, each carefully crafted to celebrate your son’s unique personality. Whether you're looking for adorable cards for kids or something with a bit more humour, we've made it easy. Personalise your Greeting card with his name, add a fun photo, or include your own special message – it’s the little things that count.
Need more inspiration? Browse our wider selection of Birthday Cards to find something truly unforgettable. Ordering is easy and safe on our website, and we're here to help make his day amazing. Ready to choose the card that’ll make him smile? Let’s get started.