Oscar Vai To'elau Kightley MNZM (born 14 September 1969) is a Samoan-New Zealand actor, television presenter, writer, journalist, director, and comedian.

"[2] He moved to Christchurch in 1991 to be a presenter for the children's television show Life in the Fridge Exists (L.I.F.E), where he met Tanya and Mishelle Muagututi'a, Erolia Ifopo, and Simon Small.

Small had written his first full-length play, Horizons, about the Samoan experience in New Zealand, and invited Kightley to perform in it in his first acting role, along with Muagututi'a and Ifopo.

He won the Bruce Mason Playwriting Award in 1998[3] and has worked as a performer and writer for a number of television shows including Skitz, Telly Laughs, The Panel, Sportzah, and TV3's rugby coverage.

[6] He has also been on RNZ National/Te Reo Irirangi o Aotearoa National as a guest, as well as guest-hosting Kim Hill's Saturday Morning show during Summer 2007–2008.

[9][11] In the 2009 New Year Honours, Kightley was appointed a Member of the New Zealand Order of Merit, for services to television and the theatre.

[14] The University of Hawaiʻi at Mānoa is also where Merata Mita "developed [the] Academy for Creative Media’s indigenous filmmaking program.

In November 2020, Kightley was named one of the best dressed men in show business on David Hartnell's best-dressed list.