Amanda Kotze (born 26 February 1986) is a retired South African sprinter who specialized in the 400 metres.

Individually she competed at the 2003 World Youth Championships and the 2004 World Junior Championships,[1] then finished sixth at the 2006 African Championships and competed at the 2007 All-Africa Games without reaching the final.

The team with Kotze as a member also competed in 4 × 400 metres relay at the 2005 World Championships and the 2006 Commonwealth Games, won the gold medal at the 2006 African Championships and silver medal at the 2007 All-Africa Games.

Her personal best time was 52.76 seconds, achieved at the 2007 All-Africa Games.

[1] This biographical article relating to South African athletics is a stub.