Lenna Gunning-Williams (born 5 February 2005) is an English professional footballer who plays as a forward for Women's Super League club Tottenham Hotspur and the England under-23s.

Gunning-Williams grew up in Enfield, London.

Gunning-Williams was part of the main cast in children's football based TV show 'Jamie Johnson' between 2017 and 2020. She played the role of Jack Marshall, appearing in 31 episodes.

Gunning-Williams joined the Tottenham Hotspur academy aged 16. She scored 38 goals in 39 games for the under-21 academy side.

Gunning-Williams made her senior debut for Tottenham on 27 November 2022 in a League Cup match, coming off the bench to score the final goal in a 5–1 win over Coventry United.

On 1 September 2023, she signed for National League South side Ipswich Town on loan for the 2023-24 season. Gunning-Williams scored her first senior hat-trick for Ipswich against Sutton Coldfield Town in the 2023–24 FA Cup on 27 November 2023. She finished the season as the clubs second highest scorer with 14 goals across all competitions.

In October 2024, Gunning-Williams was named in the England national under-23 team for European League matches against Netherlands and Portugal. On 29 October, as an 87th-minute substitute, she made her youth international debut in a 1–0 win over Portugal. On 6 March 2025, Gunning-Williams scored her debut goal for the under-23s in a 1–1 draw with the Netherlands. She provided an assist in a 3–0 win over Sweden, helping England to win the 2025-26 U23 European Competition title on 17 April 2026.