Arambaré (Portuguese: [a.ɾɐ̃.baˈɾɛ] ⓘ) is a municipality in the state of Rio Grande do Sul, Brazil.

It is bordered by Tapes on the north, Camaquã on the west and south, and Lagoa dos Patos on the east.

Its origin was the Tape people, who populated the Lagoa dos Patos coast.

Dunas da Lua de Natal and Prainha are two of the baths found in the city.

This geographical article relating to Rio Grande do Sul is a stub.