Beatrice "Trix" Wolstenholme (later Whalen, 1920 – 5 October 2008) was an English freestyle swimmer who competed in the 1934 British Empire Games.

She was a member of the Moss Side Swim Club, and trained with coaches Jack and Nellie Laverty.

[3][4] At the 1934 Empire Games she was a member of the English relay team which won the bronze medal in the 4×110 yards freestyle event.

[1] Wolstenholme married American soldier William Whalen III in 1945,[5] and moved to the United States.

She continued to teach swimming into her later years, and was aquatics director at the YMCA in New Bedford, Massachusetts.