"Ka Mānu" (English: "Afloat") is a Māori language song, released in 2019 to protest the Ihumātao housing development.

Written by musician Rob Ruha, it was released as a collaboration between Ruha and a number of New Zealand musicians, Bella Kalolo, Maisey Rika, Majic Pāora, Ria Hall, Seth Haapu, Troy Kingi and The Witch Dr.

Since 2016, protest group SOUL had been occupying land at Ihumātao in Māngere, South Auckland, after Fletcher Building acquired the historical site in order to develop a housing project.

[1] Ruha was inspiration behind "Ka Mānu" was the story of Jesus walking on water in Matthew 14.

[7] Ruha intended for the song to express unity and peaceful resistance, and highlight the common issues indigenous people face globally.