Marlene Anne Catterall (née Petzold; March 1, 1939 – August 12, 2024) was a Canadian politician. Catterall was a member of the Liberal Party of Canada in the House of Commons of Canada. She represented the riding of Ottawa West—Nepean from 1997 to 2006 and as well as the riding of Ottawa West from 1988 to 1997.

Born in Ottawa, Ontario, Catterall was a secondary school teacher.^[1] She served as an alderman on Ottawa City Council from 1976 to 1985. She also ran for mayor of Ottawa in 1985 but lost to Jim Durrell by over 20,000 votes.

Catterall was a deputy government whip and chief government whip. She also was a parliamentary secretary to the President of the Treasury Board.

Catterall announced that she would not be a candidate in the 2006 federal election. Following her retirement, the riding changed from Liberal to Conservative by a margin of around 5,000 votes.

Catterall died in Ottawa on August 12, 2024, at the age of 85.^[1][2]

• Marlene Catterall – Parliament of Canada biography
• "How'd They Vote?":Marlene Catterall's voting history and quotes