Buffy-Lynne Williams (formerly Buffy Alexander; born March 27, 1977) is a Canadian rower.

The daughter of former National Hockey League player Claire Alexander, she began rowing at age 17.

She won a bronze medal at the 2000 Summer Olympics in the eights event,[1][2] and at the 1998, 1999 and 2003 world championships at Cologne, St. Catharines and Milan respectively.

She also won a silver in the eights at the 1997 world championships in Lac d'Aiguebelette, France.

[1] She married Canadian rower Barney Williams after the 1999 World Championships, which were held in her hometown of St. Catharines.