Osamu (おさむ, オサム) is a masculine Japanese given name.
Osamu can be written using different kanji characters and can mean:
治 "reign"
修 "discipline"
理 "logic"
収 "obtain"
紀 "chronicle"
統 "rule"
The name can also be written in hiragana or katakana.
Osamu Adachi (理, born 1987), Japanese actor and a member of the acting group D-BOYS
Osamu Dazai (治, 1909–1948), Japanese author
Osamu Dezaki (統, born 1943), Japanese anime director
Osamu Fukutani (修, born 1967), Japanese film director
Osamu Jinguuji (治), drummer of the Japanese band Remioromen
Osamu Matsuda or El Samurai (納, born 1966), a Japanese professional wrestler
Osamu Mukai (理, born 1982), Japanese actor
Osamu Muramatsu (修), Japanese astronomer, and a prolific discoverer of asteroids
Osamu Nagayama (born 1947), Japanese CEO of Chugai Pharmaceutical and Chairman of Sony Corporation
Osamu Tezuka (治虫, 1928–1989), Japanese manga artist often credited as the "Father of Anime"
Osamu Kamiyama (治), a character in the anime series Kamisama Kazoku
Osamu Kimizuka, a character in the shōnen-ai manga Loveless
Osamu Ichijouji (治), a character in the anime, Digimon
Osamu Mikumo (修), a character in the anime and manga World Trigger
Osamu Miya (宮修), a character in the manga Haikyū!!
