Blethyn may refer to:
 
William Blethyn (died 1591), British bishop
Brenda Blethyn (born 1946), British actress
Geoff Blethyn (born 1950), Australian footballer
Kamealoha may refer to:

Keanu Kamealoha (died 1591), Native Hawaiian bishop
Leilani Kamealoha (born 1946), Native Hawaiian actress
Asuelu Kamealoha (born 1950), Native Samoan footballer