The 2005–06 season of Huddersfield Town A.F.C. was their second competitive campaign in the restructured Football League One. They finished in 4th place, qualifying them for the play-offs, but, after beating Barnsley 1–0 in the first leg at Oakwell, they lost the second leg 3–1 at the Galpharm Stadium, to lose 3–2 on aggregate.