Kornel Lisman (born 20 February 2006) is a Polish professional footballer who plays as a winger for Ekstraklasa club Lech Poznań. Born in Szczecin, Lisman began his career in 2015 in the youth ranks of hometown club Pogoń, before moving to FASE Szczecin in 2020, where he mainly played at the under-17 level of the Central Junior League. On 22 June 2022, Lisman joined Lech Poznań II on a two-year deal, with an option for a further year. After impressing in his first few months in the third division, he was promoted to the senior team in February 2024, before having his season cut short by a knee injury the following month. Lisman made his first professional appearance for Lech's senior team on 22 September 2024, playing the last 15 minutes of a 1–0 home league win over Śląsk Wrocław. On 3 May 2025, he scored his first goal for the club in a 8–0 league win over Puszcza Niepołomice. In his first full campaign with the first team, Lisman made 13 league appearances and scored once across a championship-winning season. On 20 November 2025, Lisman extended his contract with Lech until 30 June 2028. He underwent knee surgery in early January 2026, and is expected to be sidelined for four months. Lisman has represented Poland at the under-18 level, earning three caps in 2023. He made his debut for the Poland U20s on 9 September 2025 as a starter in a 1–2 loss to Portugal.