Colleen Natalie Falloon (née McMaster; born 10 July 1943) is a former New Zealand netball player. She played 11 international matches for the New Zealand team between 1960 and 1963, including at the 1963 World Netball Championships. More recently she has been active in Masters athletics, winning multiple national marathon titles, in the W60, W65, W70 and W75 categories.