Bernardo Oliveira Dias (born 4 January 1997), also known as Benny, is a Portuguese professional footballer who plays as a midfielder for Girabola club Atlético Petróleos de Luanda.
Born in Lisbon, Dias joined C.F. Os Belenenses' youth system in 2014, aged 17. On 14 August 2016 he made his Primeira Liga debut, starting and playing 56 minutes in a 2âÂÂ0 away loss against Vitória de Setúbal.
Dias scored his first league goal on 24 September 2017, coming on as a second-half substitute and closing the 4âÂÂ1 away win over C.D. Feirense. His second arrived the following 9 January, in a 1âÂÂ1 home draw with Boavista FC. The previous November, he had renewed his contract until 2022 with a â¬15 million buyout clause.
On 6 July 2018, Dias was loaned from B-SAD to S.L. Benfica B for one season. His maiden appearance in the LigaPro took place on 11 August, when he started in the 2âÂÂ1 home defeat of Leixões SC. His first goal arrived on 27 October, helping the hosts beat S.C. Covilhã 3âÂÂ2.
Dias signed with G.D. Chaves still in the second tier in January 2020. He scored his only goal for the club on 23 September of that year, in a 4âÂÂ3 victory at Benfica B.
On 14 July 2021, Dias agreed to a deal at Doxa Katokopias FC in the Cypriot First Division. He returned to Portugal and its second division in summer 2023, on a contract at S.C.U. Torreense.
Dias went back abroad subsequently, having one-year spells at Armenia's Araz-Naxçñvan PFK and Angola's Atlético Petróleos de Luanda. With the latter, he participated in the 2025âÂÂ26 CAF Champions League.