WASHINGTON--Rep. Jim Jordan (R., Ohio) spoke earlier this week with investigators from Ohio State University as part of the school’s investigation into a team doctor’s alleged sexual misconduct involving members of the wrestling team, the lawmaker’s spokesman said Wednesday.

Mr. Jordan, one of the most influential conservatives in the House, has been under pressure from former OSU wrestlers who said he was aware of, but didn’t try to stop, the alleged misconduct when he was assistant coach of the wrestling team in the 1990s....