Takuma Niwa (丹羽 巧磨, born 27 April 2000)[1] is a field hockey player from Japan, who plays as a midfielder.

[2] In 2019, Niwa was a member of the Japan U–21 side at the Sultan of Johor Cup.

[3] Niwa made his senior international debut in 2021.

[3] Since his debut, Niwa has medalled at two Asian Champions Trophies.

[4] In 2023, Niwa was named to the national team for the FIH World Cup in Bhubaneswar and Rourkela, as well as the Asian Games in Hangzhou.