Michael Killian (born 22 November 1983) is a former South African rugby union player.
He played mostly as a winger and represented the Eastern Province Kings and Golden Lions in domestic South African rugby and the Southern Kings and Lions in Super Rugby.
He started his career at the Kings (previously known as the Mighty Elephants) and made 58 appearances for them over 7 seasons.
On 5 June 2012, he announced that he would rejoin the Eastern Province Kings (formerly the Mighty Elephants) for the 2012 Currie Cup First Division.
He announced his retirement from rugby in April 2014 to pursue a career in the corporate sector.