Can cancer from kissing someone who you know has skin cancer?

No: Cancer is not contagious.

Skin cancer : Skin cancer is not contagious . It develops mostly in patients with a history of frequent sun exposure, sunburns, family history (genetics) . See a dermatologist if you have a concern regarding a skin condition.

No: Skin cancer is not contagious...In other words it is not passed between individuals by contact. The development of skin cancer is complex and multifactorial. Risk factors include genetic susceptibility combined with environmental influence (i.e. Sun exposure / damage).