AD Oliveirense

The club was founded on 25 October 1922 as União Desportiva Oliveirense. Prior to its inception it was called Sport Clube Oliveirense who had begun playing in the district league of Aveiro.

Following its establishment, shortly after Oliveirense was one of the founding clubs of the Aveiro Football Association along with Anadia, Beira-Mar, Bustelo, Clube dos Galitos, Espinho, Fogueirese, Ovarense, Paços Brandão, Sanjoanense, SC Oliveirense and Sociedade Recreio Artístico. The association was founded on the 22 September 1924.

This association would go on to establish the AF Aveiro Championship which Oliveirense would go on to win once in the 1945–46 season. During the 1945–46 season, the club also played in the Primeira Liga where after one season they were relegated. This is their only presence in the Primeira Liga. Following the club's relegation they would go on to play in the AF Aveiro First Division which the club won in the 1951–52, 1956–57 and 1957–58 seasons.

Over the next couple of decades the club would play in the district leagues, Terceira Divisão and Segunda Divisão. From 1989–90 to 2000–01 they played in the second division before gaining promotion to the Segunda Liga before being relegated once again to the second division in which they would six seasons before being promoted to the Segunda Liga in the 2007–08 season. Ever since the 2008–09 they have played in the Segunda Liga and achieved the club's best ever cup run in their history in the 2011–12 season where they reached the semi-final stage before being knocked out by eventually winners Académica de Coimbra.

On 4 November 2022, the Japanese football club Yokohama FC announced that the Onodera Group, a Japanese restaurant operator and owner of the club, had acquired a majority stake in UD Oliveirense which was playing in Liga Portugal 2. Along with Yokohama FC, UD Oliveirense became a subsidiary of the group. Onodera Group became the first company in history to manage J.League clubs and European clubs.