Uda (written: 宇田) is a Japanese surname. Notable people with the surname include:

  • Arua Uda (born 1974), Papua New Guinean cricketer
  • Emperor Uda (宇多天皇, 866–931), the 59th emperor of Japan
  • Emperor Go-Uda (後宇多天皇, 1267–1324), the 91st emperor of Japan
  • Hideki Uda (宇田 秀生, born 1987), Japanese Paralympic triathlete
  • Kōnosuke Uda (宇田 鋼之介, born 1966), Japanese anime director
  • Shintaro Uda (宇田 新太郎, 1896–1976), Japanese inventor
  • Takatsugu Uda (宇田 崇二, born 1991), Japanese cross-country skier
  • Yuka Uda (宇田 由香, 1982–2010), Japanese road cyclist
  • Yukiya Uda (宇田 幸矢, born 2001), Japanese table tennis player