Ursu is a Romanian-language surname that may refer to:

• Adrian Ursu (b. 1969), Romanian journalist
• Andrei Ursu (b. 1993), previously known as Wrs, Romanian singer and dancer
• Anne Ursu (b. ?), American novelist and children's writer
• Doru-Viorel Ursu (1953–2024), Romanian politician and lawyer
• Gheorghe Ursu (1926–1985), Romanian construction engineer, poet, diarist and dissident
• Ion Ursu (b. 1994), Moldovan footballer
• Ionuț Ursu (b. 1989), Romanian footballer
• Melania Ursu (1940–2016), Romanian stage and film actress
• Neculai Alexandru Ursu (1926–2016), Romanian linguist, philologist and literary historian
• Sergiu Ursu (b. 1980), Romanian discus thrower
• Sonia Ursu-Kim (b. 1993), Romanian basketball player
• Valentina Ursu (b. ?), Moldovan journalist
• Vasile Ursu (b. 1948), Moldovan politician
• Vasile Ursu Nicola (1731–1785), Transylvannian revolutionary

• Ursu River (disambiguation)
• Urs (disambiguation)
• Urși (disambiguation)
• Ursa (disambiguation)
• Ursoaia (disambiguation)
• Valea Ursului (disambiguation)

• All pages with titles containing Ursu