📌 The Ontario electoral district of Oshawa was contested in the 2003 election.

🏆 JERRY J. OUELLETTE, the Progressive Conservative candidate, won the riding with 14,566 votes (37.3% of the vote).

🥈 The runner-up was SID RYAN (NDP) with 13,547 votes (34.7%), defeated by a margin of 1,019 votes.

📊 Other notable candidates: CHRIS TOPPLE (Liberal, 24%).