Hiro is a masculine Japanese given name with multiple meanings, dependent on the characters used. 裕 means "abundant". 寛 means "generous, tolerant" and 浩 means "prosperous." Notable people with the name include:
Hiro Yamagata (artist) (born 1948), Japanese painter/artist
Hiro (music producer) (born 1985), Japanese music producer (writer of Kumi Koda's "Taboo")
Hiro (photographer) (born 1930), American fashion photographer
Hiroko Shimabukuro (born 1984), Japanese musician with the stage name Hiro
Hiroyuki Watanabe (born 1955), Japanese actor
Hiro Mashima (born 1977), Japanese manga artist and the creator of Rave Master and "Fairy Tail", among other Manga
Hiro Muramoto (died 2010), Japanese cameraman and journalist slain during the 2010 Thai political protests
Hiro Fujiwara Japanese manga artist, once active under her previous pen name, Izumi Hiro
Hiro Mizushima (born 1984), Japanese model and actor
Hiro Shimono (born 1980), Japanese voice actor