Espinho is a city and a municipality located in the Aveiro District, Portugal. It is located in both the Greater Porto and the Metropolitan Area of Porto, 16 km from its city centre. It is one of the smallest municipalities in Portugal and was, until 1899, part of the Santa Maria da Feira Municipality.

It is a beach resort and a zone of legal gambling with a casino - Casino Solverde. Its fair - Feira de Espinho, having been first organised in 1894, is well known in Portugal. The city is home to CINANIMA - Festival Internacional de Cinema de Animação, an international animation festival, and FEST - New Directors New Films Festival, an international film festival. The municipal holiday is June 16.

The city, known as the volleyball capital in Portugal, is the home of nine Portuguese sports clubs: Novasemente/Cavalinho, Sporting Clube de Silvalde, Associação Desportiva de Anta, Clube de Voleibol de Espinho, Sporting Clube de Espinho, Associação Académica de Espinho, Academia de Ténis de Espinho, Clube de Ténis de Espinho and Associação Desportiva Rio Largo.

Sporting Clube de Espinho and Associação Académica de Espinho are regular presences in the Portuguese Volleyball First Division. The first one is the Portuguese team with more titles (including a CEV Cup, formerly known as CEV Top Teams Cup) and the second one was once national champion.