Lotu may refer to:
People Brigitta Lotu-Iiga (born 1968), New Zealand rugby union player Lotu Filipine (born 1980), rugby union football player Lotu Fuli, politician Lotu Inisi (born 1999), Tongan rugby union player Sam Lotu-Iiga, politician
Places Loțu, Romania
Other "Lotu", the Tongan and Fijian word for religion and prayer (Religion in Tonga, in Fiji)