Hamman is a surname. Notable people with the surname include:
Adalbert Hamman (1910–2000), French Franciscan priestBob Hamman (born 1938), American professional bridge playerEdouard Hamman (1819–1888), Belgian PainterJared Hamman (born 1982)John Hamman (1927–2000)Louis Virgil Hamman (1877–1946), American medical researcherHamman-Rich syndromeHamman's signHamman's syndromeMary Hamman (1907–1984)Petra Hamman (born 1946)Phillip Hamman (c.1753–1832)Shane Hamman (born 1972), American weightlifter