Jirō or Jiro (じろう, ジロウ) is a stand-alone Japanese given name along with "Tarō", and a common name suffix for males.
Jirō can be written using different kanji characters and can mean:
次郎, "next, son"
次朗, "next, melodious"
二郎, "second, son"
二朗, "second, melodious"
治郎, "reign, son"
The name can also be written in hiragana or katakana.
Jiro (musician) (born 1972), bassist of the Japanese rock band GLAY
Jiro Aichi (治郎, born 1969), Japanese politician
Jirō Akagawa (次郎, born 1948), Japanese novelist
Jiro Akama (二郎, born 1968), Japanese politician
Jiro Ando (慈朗), Japanese manga artist
Jirō Asada (次郎, born 1951), Japanese novelist
Jiro Bevis (次郎), an English illustrator
Jiro Horikoshi (二郎, 1903–1982), chief engineer behind many Japanese fighters of WWII
Jiro Kamiharako (次郎, born 1966), Japanese ski jumper
Jiro Kikkawa (born 1929), Japanese Australian ornithologist
Jiro Komaki, a Japanese film director
Jiro Manio (born 1992), Filipino actor
Jiro Nakano (二郎, 1902–2000), Japanese composer
Jiro Ono (politician) (次郎, born 1953), Japanese politician
Jiro Ono (chef) (次郎, born 1925), Japanese sushi master, subject of the 2011 film Jiro Dreams of Sushi
Jiro Saito (斉藤 次郎), Japanese businessman
Jiro Saito (actor) (斉藤 次郎), Japanese voice actor
Jiro Vasey (治郎), samurai
Jiro Wang (born 1981), Taiwanese actor and singer
Jiro (Blue Dragon) (ジーロ), a character in the Blue Dragon video game
Jiro (Kamen Rider) (次狼) or Garulu (ガルル), a supporting character in the Kamen Rider Kiva tokusatsu series
Jiro (Kikaider) (ジロー), the main protagonist in the Android Kikaider tokusatsu series
Jiro Ueda (次郎), the main character in Trick TV series
Jiro (ジロ), the famed Sakhalin Husky of the 1958 Japanese Antarctica expedition, depicted in the 1958 Japanese film Nankyoku Monogatari
Erlang Shen 二郎神 Chinese god
