We have 10 eHarmony coupons including promo codes and deals for January 2019. Today's top coupon is a 30% Off coupon code. Use a promo code to save on online dating memberships at eHarmony. Meet someone you can truly connect with on eHarmony. Formulated to match you up with your soulmate, joining could be the best decision you'll make. Save on a membership and see what happens today!