In the entire world, マサトモ (マサトモ ) is an extremely rare unknown gender first name. Much more frequently, マサトモ is the last name as well as the forename.
Masatmo, Masatomo, 正友, 正智, 正朋, 正朝, and 正知
オノ, クワノウ, コバヤシ, サイトウ, タカハシ, オオミヤ, ヤマグチ, ナカニシ, ハシモト, セトヤマ, ノジリ, トヤマ, フクダ, スズキ, キクチ, キムラ, サトウ, タナカ, ヤマモト, and ニシムラ
) is an extremely rare unknown gender first name. Much more frequently, マサトモ is the last name as well as the forename.