Manami Doi (土居 愛実, Doi Manami, born August 29, 1993 in Yokohama) is a Japanese sports sailor.

[1] At the 2012 Summer Olympics, she competed in the Women's Laser Radial class, finishing in 31st place.

[2] At the 2016 Summer Olympics, she competed in the Women's Laser Radial class, finishing in 20th place.

She competed at the 2020 Summer Olympics in Tokyo 2021, in Laser Radial and she finished in 15th place.

[3] This biographical article related to sailing in Japan is a stub.