Koenen

Koenen is a patronymic surname of Low German or Dutch  origin derived from the given name Koen (Conrad).

Notable people with the surname include:


 * Adolf von Koenen (1837–1915), German geologist
 * Bernard Koenen (1889–1964), Communist and East German politician
 * Breanna Koenen (born 1994), Australian rules footballer
 * Emmy Damerius-Koenen (1903–1987), East German politician
 * Gerd Koenen (born 1944), German historian and former communist
 * Heinrich Koenen (1910–1945), German anti-fascist fighter and Soviet agent
 * (1893–1956), Dutch neurologist who described Koenen's tumor
 * Karestan Koenen (born 1968), American epidemiologist
 * (1931–2023), German-born American philologist and papyrologist
 * Lyle Koenen (born 1956), American politician in Minnesota
 * (1849–1924), German civil engineer
 * Michael Koenen (born 1982), American football player
 * Theo Koenen (1890–1964), German footballer
 * Vera Koenen (born 1967), Dutch volleyball player
 * Wilhelm Koenen (1886–1963), Communist and East German politician
 * Koene
 * Isaac Koene (1637–1713), Dutch landscape painter
 * Randal A. Koene (born 1971), Dutch neuroscientist