Rannikko (surname)

Rannikko (literally "coast, coastline") is a Finnish family name. Notable people with the surname include:
 * Erkki Rannikko (1933–2010), Finnish lieutenant general
 * Juho Rannikko (1873–1933), Finnish farmer and politician
 * Teemu Rannikko (born 1980), Finnish basketball player
 * Tuuli Rannikko (born 1947), Finnish author