Leśniak

Leśniak is a Polish surname. It may refer to:
 * Anka Leśniak (born 1978), Polish contemporary artist
 * Filip Lesniak (born 1996), Slovak footballer
 * Glenn Lesniak (born 1954), American major general
 * Jan Leśniak (1898–1976), Polish military intelligence officer
 * Jerzy Leśniak (1957–2017), Polish journalist and historian
 * Joseph Lesniak (1890–1979), American bishop
 * Józef Leśniak (1968–2022), Polish politician
 * Marek Leśniak (born 1964), Polish footballer and coach
 * Marta Leśniak (born 1988), Polish tennis player
 * Natalia Leśniak (born 1991), Polish archer
 * Paweł Leśniak (born 1989), Polish footballer
 * Raymond Lesniak (born 1946), American politician
 * Zbigniew Leśniak (born 1950), Polish slalom canoeist