Pihlak

Pihlak is an Estonian surname meaning rowan (more common form is Pihlakas).

People bearing the surname Pihlak include:
 * Arnold Pihlak (1902–1982), football player
 * Eduard Pihlak (1888–1944), physician and military commander
 * Helle Meri (née Pihlak; born 1949), actress and the First Lady
 * Oskar Pihlak (1901–1968), physician (et)
 * Viktor Pihlak (1886–1942), architect and industrialist