📌 The Canadian federal electoral district of Ottawa South was contested in the 2004 election.

🏆 David McGuinty, the Liberal candidate, won the riding with 25,471 votes (43.9% of the vote).

🥈 The runner-up was Alan Riddell (Conservative) with 20,173 votes (34.7%), defeated by a margin of 5,298 votes.

📊 Other notable candidates: Monia Mazigh (N.D.P., 14%) and John Ford (Green Party, 6%).