Raab is a German surname. Notable people with the surname include:
Eleonore von Raab (1755 – ), Austrian collector of minerals
Franz Anton von Raab (1722–1783), Austrian agrarian reformer
Julius Raab (1891–1964), Austrian politician
Leopold Friedrich Raab (1721–after 1786), German violinist and composer Marc Raab (born 1969), American football player
Michael Raab (born 1982), American butterfly swimmer
Scott Raab (born 1952), American journalist Selwyn Raab (1934–2025), American journalist, author, and investigative reporter
Stefan Raab (born 1966), German entertainer
Susanne Raab (born 1984), Austrian politician
Uwe Raab (born 1962), German cyclist William von Raab (1942–2019), American attorney