Tamoio (S31) was the second Tupi-class submarine of the Brazilian Navy.

[3][4] The boat was built at Arsenal de Marinha do Rio de Janeiro in Rio de Janeiro and was launched on 18 November 1993 and commissioned on 17 July 1995.

She was decommissioned in 14 September 2023, having served the Brazilian Navy for 28 years.

[1] Media related to S31 Tamoio (submarine, 1995) at Wikimedia Commons