Cherilyn is a feminine given name, an elaboration of the name Cheryl in combination with the suffix -lyn.

Notable people with the name include:

Cherilyn Elston, British academic and translator Cherilyn Mackrory (born 1976), British politician Cherilyn Sarkisian (born 1946), American singer and actress known professionally as Cher Cherilyn Wilson (born 1988), American actress Cherilyn Yazzie, Native American politician, farmer and entrepreneur