Grace Lenczyk Cronin (September 12, 1927 – December 13, 2013) was an American amateur golfer.

[1] At the age of eleven, she started playing golf with her siblings at the Indian Hill Country Club in Newington, Connecticut.

[1] She has been honored by having the 5th hole of the course, The Hay, named "Grace" in recognition of her U.S. Women's Amateur by the Pebble Beach Company.

[4][5] Apart from her amateur competitions, Lenczyk had her first professional win at the 1947 All American Open.

[7] At these events, she reached the semifinals of the 1947 Women's Western Open and had a top eight finish at the 1948 Titleholders Championship.