Chiba (written: 千葉 lit. "thousand leaves") is a Japanese surname. Notable people with the surname include:
Akira Chiba, president of The Pokémon CompanyChiba Ginko, a gymnastics at the 1964 Summer OlympicsKaori Chiba (born 1981), Japanese field hockey playerKazuo Chiba (born 1940), Japanese Aikido teacherKeiko Chiba (born 1948), Japanese Minister of JusticeReiko Chiba (born 1975), Japanese actressRyohei Chiba (born 1984), Japanese singerSaeko Chiba (born 1977), Japanese voice actressSaïd Chiba (born 1970), Moroccan footballerShigetane Chiba, a Japanese military commanderShigeru Chiba (born 1954; also known as Masaharu Maeda), Japanese voice actorChiba Shusaku Narimasa (1794–1856), founder of the Hokushin Itto school of swordsmanshipSonny Chiba (born 1939; also known as Shin'ichi Chiba), Japanese actorSusumu Chiba (born 1970), Japanese voice actorTeisuke Chiba (1917–1965), photographerTetsuya Chiba (born 1939), Japanese manga artistChiba clan, a Japanese clanTsunetane Chiba, a Japanese military commanderFatema Chiba, an Indian teacherFictional characters:
Mamoru Chiba (also known as Darien Shields), the only major male character from the Sailor Moon anime and manga seriesAtsuko Chiba, main character of the 2006 film PaprikaKirino Chiba (千葉 紀梨乃), a fictional character from anime Bamboo BladeRyuunosuke Chiba, a character in Assassination Classroom anime and manga