Martim Moreira Moutinho Fernandes (born 6 February 2006) is a Portuguese professional footballer who plays as a right-back for Porto.
On 18 January 2022, he signed his first professional contract with Porto, originally assigned to their reserves.
[5] On 20 October 2023, Fernandes made his debut for Porto's main team, coming off the bench to replace João Mário on the second half of a 2–0 away victory over Vilar de Perdizes, in the 3rd round of the Taça de Portugal.
At the match, 18-year-old Fernandes made first-team debut at right-back, and in 4th minute, he went on long run forward, stepped inside Morten Hjulmand who slipped over, and assisted Pepê for Porto's second goal in a 2–2 home draw against Sporting.
[10] In June 2023, he was called up to the Portugal U19s for the 2023 UEFA European Under-19 Championship, where they finished runner's up.