📌 The Canadian federal electoral district of Sarnia—Lambton was contested in the 2004 election.

🏆 Roger Gallaway, the Liberal candidate, won the riding with 19,622 votes (42.0% of the vote).

🥈 The runner-up was Marcel Beaubien (Conservative) with 14,149 votes (30.3%), defeated by a margin of 5,473 votes.

📊 Other notable candidates: Greg Agar (N.D.P., 16%) and Anthony Cramer (Green Party, 5%).