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