Bulan may refer to:
Places Bulan, Kentucky, US Bulan, Kermanshah, Iran Bulan, Sorsogon, Philippines Bulan, Tehran, Iran Bulan, Hautes-Pyrénées, France Bulan Island, in the Sijori Growth Triangle, Riau Islands Province, Indonesia Bulan Island, in the Sulu Archipelago, Philippines Bulan, Benishangul-Gumuz Region, Ethiopia
Other uses Bulan (Khazar), Khazar ruler of the eighth or ninth century CE, who converted to Judaism Bulan, a figure in the mythology of the Bicolano people of the Philippines
See also "Buwan", a 2018 song by Juan Karlos Labajo Mayari, or Buwan, a moon goddess in Tagalog mythology