Takau is the former name of Kaohsiung. Takau may also refer to:
People Takau Lutua (born c. 1963), Tongan former rugby union player Tomasi Takau (1968–2021), Tongan-American rugby union player Pa Upoko Takau Ariki (died 1896), sovereign of the Cook Islands Makea Takau Ariki (c. 1839–1911), sovereign of the Cook Islands
Other uses Takau District, district in Nigeria