Daichi (written: 大地, 大知, 大治 or 大智) is a masculine Japanese given name. Notable people with the name include:

• Daichi Abe (阿部 大治, born 1991), Japanese mixed martial artist
• Daichi Azegami (畔上 大地, born 1974), Japanese cross-country skier
• Daichi Banjou (万乗 大智, born 1969), Japanese manga artist
• Daichi Hayashi (林 大地, born 1997), Japanese footballer
• Daichi Ishikawa (石川 大地, born 1996), Japanese footballer
• Daichi Kamada (鎌田 大地, born 1996), Japanese footballer
• Daichi Miura (三浦 大知, born 1987), Japanese singer and dancer
• Daichi Matsuyama (松山 大地, born 1974), former Japanese football player
• Daichi Sasaki (佐々木 大地, born 1995), Japanese shogi player
• Daichi Sawano (澤野 大地, born 1980), Japanese pole vaulter
• Daichi Shimoyama (下山 大地, born 1989), Japanese basketball player
• Daichi Sugimoto (杉本 大地, born 1993), Japanese footballer
• Daichi Suzuki (鈴木 大地, born 1967), Japanese swimmer
• Daichi Suzuki (baseball) (鈴木 大地, born 1989), Japanese baseball player

Fictional characters

• Daichi Bunta (aka Clover King), a character from J.A.K.Q. Dengekitai
• Daichi Hayami (速水 大地), a character from Machine Robo Rescue.
• Daichi Misawa (三沢 大地), a character from Yu-Gi-Oh! GX
• Daichi (Shugo Chara!) (ダイチ), a character in the manga series Shugo Chara!
• Daichi Sumeragi (皇 大地), a character from Beyblade G-Revolution
• Daichi Yamagata (山形 大地), a character from Kousoku Sentai Turboranger
• Daichi Tokugawa, a character from Astro Boy (2003)
• Daichi Sawamura (澤村 大地), is the team captain of the Karasuno Volleyball team in the sports anime Haikyuu!! (2015)
• Daichi from Japanese television series adaptation Good Morning Call
• Yatsuhashi Daichi, a character from RWBY
• Daichi Shijima (志島 大地), a character from a game called "Devil Survivor 2"
• Daichi Shinagawa : the main male character from « Yankee-kun to Megane-chan » (Flunk Punk Rumble in English), a Japanese manga also adapted as a drama written by Miki Yoshikawa.
• kitazawa daichi,from Manga Kitchen princess