Niilo

Niilo is a male given name. People named Niilo include:
 * Niilo Wälläri (1897–1967), Finnish Socialist, syndicalist leader
 * Niilo Yli-Vainio (1920–1981), Finnish Pentecostalist leader
 * Niilo Halonen (born 1940), Finnish former ski jumper who competed between 1960 and 1967
 * Niilo Paasivirta, Finnish internet personality
 * Niilo Jääskinen (born 1958), Finnish lawyer and politician
 * Niilo Sevänen (born 1979), Finnish death metal musician


 * As a surname
 * Tiit Niilo (born 1962), Estonian politician