| Personal information | |||
|---|---|---|---|
| Full name | Harley Mills | ||
| Date of birth | 3 November 2005 | ||
| Place of birth | Birmingham, England | ||
| Positions | |||
| Team information | |||
Current team | Peterborough United | ||
| Number | 14 | ||
| Youth career | |||
| 2012–2021 | Aston Villa | ||
| 2021–2023 | Peterborough United | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2023– | Peterborough United | 44 | (0) |
| 2024 | → Enfield Town (loan) | 8 | (0) |
| * Club domestic league appearances and goals as of 17:21, 10 October 2026 (UTC) | |||
Harley Mills (born 3 November 2005) is an English professional footballer who plays as a defender for EFL League One club Peterborough United.
Mills joined Peterborough United from Aston Villa in 2021 and went on to sign a two-year development contract with Peterborough in July 2021 after having helped Jamal Campbell-Ryce's under-18 team to finish third in the Professional Development League and won silverware in the Professional Development Cup and the David Joyce Cup He was reported to be a target for Premier League club Crystal Palace. as they reportedly placed multiple bids for the posh young star in the summer of 2022. He made his first-team debut on 29 August 2023, when he came on as a 79th-minute substitute for James Dornelly in a 1–1 draw at Portsmouth in an EFL Cup game.
On 13 April 2025, Mills started the 2025 EFL Trophy final, scoring a free-kick for the first goal and providing the cross from which Hector Kyprianou scored the second. He was subsequently named Man of the Match.
On 29 July 2025, Mills signed a new four year contract.
On 6 September 2024, Mills joined National League South side Enfield Town on an initial one-month loan deal. He was recalled to Peterborough on 1 November 2024.
Mills has been described as a versatile and energetic player with a skilled left foot, who is most comfortable at left-back and in midfield.
Mills's father, Gary, is also a former professional footballer.
| Club | Season | League | FA Cup | EFL Cup | Other | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Peterborough United | 2023–24 | League One | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 |
| 2024–25 | League One | 11 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 17 | 2 | |
| 2025–26 | League One | 24 | 0 | 2 | 0 | 1 | 0 | 2 | 1 | 30 | 1 | |
| 2026–27 | League One | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | |
| Total | 37 | 0 | 2 | 0 | 3 | 0 | 10 | 3 | 53 | 3 | ||
| Enfield Town (loan) | 2024–25 | National League South | 8 | 0 | — | — | — | 8 | 0 | |||
| Career total | 45 | 0 | 2 | 0 | 3 | 0 | 10 | 3 | 61 | 3 | ||
Peterborough United