Riccardo Martinelli (born 30 April 1991) is an Italian professional footballer who plays as a defender for Serie D club Piacenza.
He played the first ten seasons of his senior career in the lower-tier Serie C and Serie D.
He made his Serie B debut for Reggiana on 27 September 2020 in a game against Pisa, as a starter, and scored a goal in that game.
On 30 August 2021 he signed with Viterbese.
On 31 August 2022, Martinelli moved to Pontedera.