Robert Mitchell (born 13 May 1963) is a Canadian politician who has served as leader of the Prince Edward Island Liberal Party since 2025, previously serving as its interim leader in 2019. Mitchell was elected to the Legislative Assembly of Prince Edward Island in the 2007 provincial election. He represented the electoral district of Charlottetown-Winsloe as a member of the Liberal Party until 2020.
On May 20, 2015, Mitchell was appointed to the Executive Council of Prince Edward Island as Minister of Communities, Land and Environment. On January 10, 2018, Mitchell was moved to Minister of Health and Wellness in a cabinet shuffle.
From May 8 to September 9, 2019, he served as interim leader of the Liberal Party on Prince Edward Island.
On September 3, 2020, he stepped down from his political position as MLA for Charlottetown-Winsloe, after serving in the provincial legislature for thirteen years in both districts.
On May 14, 2025, Mitchell announced his bid for the party's leadership, winning the position on October 3, via defeating Todd Cormier. Mitchell was a candidate in the 2025 Georgetown-Pownal provincial by-election, which he lost to the Progressive Conservative candidate, Brendan Curran.