Kenneth Nkosi is a South African actor best known for his roles as The Pastor in the television drama Gaz'lam and as Aap in the Oscar-winning film Tsotsi.

He also appears in the 2007 mini-series Society.

Nkosi had his first taste of acting in community theatre. In 1993 he enrolled at the Market Theatre Laboratory in Johannesburg. He made his stage debut two years later in the comedy Afrodizzia at the Johannesburg Civic Theatre.

He has worked on stage at The Civic and at The Market Theatre in a variety of productions and is a member of the South African Sports Company and a field worker for the Market Theatre Laboratory.

He is well known on television for his performances in the soap opera Isidingo and in Saints, Sinners and Settlers and for his appearances on e.tv's The Toasty Show.

His film credits include Fela's TV, Tsotsi and Jerusalem Entjha.

He also co-produced the sitcom Mzee wa Two Six, with Endemol.