Katrina Jane Weston (née Colebrook, formerly Finch; born 8 November 1957) is a former British middle distance runner who specialised in the 800 metres. Competing as Jane Colebrook, she equalled the world indoor best to win at the 1977 European Indoor Championships and won a bronze medal at the 1978 Commonwealth Games. Competing as Jane Finch, she won a silver medal at the 1985 World Indoor Games.