Kateřina Nash (née Hanušová; born 9 December 1977) is a Czech cross-country skier and cyclist who competed from 1994 to 2003 in skiing and is still active in cycling for the Clif Pro Team.

Since September 2021 Nash serves as Vice-President of the Union Cycliste Internationale (UCI).

Nash earned four individual career victories up to 10 km in FIS races from 1997 to 2001.

She competed at the 2012 Summer Olympics, finishing in 14th place in the women's cross-country mountain bike event.

Following her World Cup victory, she won The Night Weasels Cometh[4] in Shrewsbury, Massachusetts on 30 September 2015.