Wachtmeister (German for "sergeant" or "constable") is a Swedish and Austrian surname. Notable people with the surname include:
Alice Trolle-Wachtmeister (1926–2017), Swedish countess Axel Wachtmeister (1643–1699), Swedish count and field marshal Carl Wachtmeister (disambiguation), several people Constance Wachtmeister (1838–1910), English/French countess, theosophist Erik Wachtmeister (born 1955), co-founder of ASmallWorld Fredrik Wachtmeister (1855–1919), Swedish politician and diplomat Gustaf Wachtmeister (1757–1826), Swedish Army officer Hans Wachtmeister (1642–1714), admiral general of the Swedish Navy Ian Wachtmeister (1932–2017), Swedish industrialist and politician Louise Wachtmeister (born 1978), co-founder of ASmallWorld Rosina Wachtmeister (born 1939), Austrian artist Ted Wachtmeister (1892–1975), Swedish jurist, reserve officer and rower Wilhelm Wachtmeister (1923–2012), Swedish diplomat