Judith Heather Howat MNZM (née McLay; born 20 May 1935) is a former New Zealand international lawn bowler.

[1] At the 1990 Commonwealth Games in Auckland, Howat won the gold medal in the women's pairs with Marie Watson.

[2] Four years later, at the 1994 Commonwealth Games, Howat competed in the women's singles, finishing seventh.

[3] At the 1992 World Outdoor Bowls Championship in Ayr, Howat won the silver medal in the women's fours, alongside Marlene Castle, Marie Watson and Adrienne Lambert.

[1] In the 2005 New Year Honours, she was appointed a Member of the New Zealand Order of Merit, for services to lawn bowls.