Loretta Irene Bayliss (1939 – 30 June 1966) was a cricketer who played one women's Test match for New Zealand in 1961. A left-handed batsman and left-arm fast-medium pace bowler, she is one of thirteen cricketers to have taken a five-wicket haul on their debut in women's Test cricket. On her only international appearance, she claimed five wickets for the concession of 28 runs in the second innings against Australia.