Robin is a given name. Robyn is typically a feminine name, unlike Robin which is both masculine and feminine. Notable people with the name include:
Robyn (born 1979, Robin Miriam Carlsson), Swedish pop singer and songwriter
Robyn Ebbern (born 1944), Australian tennis player
Robyn Rihanna Fenty, often known as Rihanna (born 1988), Barbadian pop singer
Robyn Gayle (born 1985), Canadian football (soccer) player
Robyn Hitchcock (born 1953), British singer-songwriter and artist
Robyn Lawley (born 1989), Australian model
Robyn Lively (born 1972), American actress
Robyn Loau (born 1972), Australian singer, songwriter and actress
Robyn Malcolm (born 1965), New Zealand actress
Robyn Miller (born 1966), American businessman, co-founder of Cyan Worlds (originally Cyan)
Robyn Nevin (born 1942), Australian actress, director and former head of the Sydney Theatre Company
Robyn Ochs (born 1958), American bisexual and LGBT rights activist
Robyn Regehr (born 1980), Brazilian-born Canadian professional ice hockey
Robyn Slovo (born 1953), South African film producer