Buffy-Lynne Williams (formerly Buffy Alexander) (born March 27, 1977 in St. Catharines, Ontario) is a Canadian rower.
The daughter of former NHL player Claire Alexander, she began rowing at age 17. She won a bronze medal at the 2000 Summer Olympics in the eights event, and at the 2003, 1999 and 1998 world championships at Milan, St. Catharines and Cologne respectively. She also won a silver in the eights at the 1997 world championships in Lac d'Aiguebellette , France. In the 2004 Summer Olympics she was fourth in the coxless pair.
She married the Canadian rower Barney Williams after the 2000 Summer Olympics.
