Rehberg is a German surname. Notable people with the surname include:
August Wilhelm Rehberg (1757-1836), German philosopher Denny Rehberg (born 1955), American politician Eckhardt Rehberg (born 1954), German politician Friedrich Rehberg (1758–1835), German painter Gretchen Rehberg, American bishop of the Episcopal Church Hans-Michael Rehberg, (1938–2017), German actor Peter Rehberg (1968–2021), British musician Scott Rehberg (born 1973), American football player Walter Rehberg (1900–1957), Swiss concert pianist, composer and writer