Ryan Ian Leonard (born 24 May 1992) is an English professional footballer who plays as a defender or midfielder for EFL Championship club Millwall.

In July 2011, he moved to Southend United, and after establishing himself in the first team in the 2013–14 season, he won the club's Player of the Year Award in 2014.

Born in Plympton, England[2] Leonard was a graduate from Ivybridge Community College, he signed for Plymouth Argyle in June 2001 as a schoolboy.

[19] On 5 January 2018, Southend announced that terms had been agreed with Championship club Sheffield United for Leonard's transfer.

[23] On 31 August 2018, Leonard signed for Millwall initially on loan, but the deal became permanent in January for a club record fee of £1.5million.