Maximilian William Kilman (born 23 May 1997) is an English professional footballer who plays as a centre-back for Premier League club West Ham United.

[16] Kilman spent the season with the club's under-23 side, helping them to win promotion from the second tier of the Premier League reserve competition.

[20] Kilman made his full senior debut for Wolves in a 4–0 home win against FC Pyunik of Armenia in the 2019–20 UEFA Europa League Qualifying Third Round, Second Leg, on 15 August.

[25] The goal, a well-taken header, following a corner from the left from Rayan Aït-Nouri, was Kilman's first for Wolves (in his 44th appearance for the club at senior level) and his first in the Premier League.

Kilman scored his second Wolves goal, and first since becoming club captain, in the final game of 2023, a 3–0 win against Everton at Molineux in the Premier League on 30 December.

[33] On 6 July 2024, Kilman joined West Ham United by signing a seven-year contract,[34] for a reported £40m transfer fee.

[35] His former club, Maidenhead United, gained £4m from the deal having inserted a 10% share clause in the contract when Kilman was sold to Wolverhampton Wanderers.