Lavu (Telugu: లావు) is a Telugu surname. It also appears in Papua New Guinea. Notable people with the surname include:
Evelyn Lavu (died 2021), Papua New Guinea pathologist Lavu Nageswara Rao (born 1957), Indian judge Lavu Narendranath, Indian orthopedic surgeon Lavu Sri Krishna Devarayalu (born 1983), Indian politician