Tiago Cação (born 28 February 1998) is a Portuguese tennis player.

Cação has a career high ATP singles ranking of 394 achieved on 17 December 2018.

He also has a career high ATP doubles ranking of 469 achieved on 1 October 2018.

Cação made his ATP main draw debut at the 2019 Estoril Open in the doubles draw partnering Fred Gil.

[1] This biographical article relating to Portuguese tennis is a stub.