Onaga

Onaga may refer to:


 * Onaga (Mortal Kombat), a Mortal Kombat character
 * Onaga, Kansas, a city in the United States
 * Onaga, the Hawaiian language name for the fish Etelis coruscans also known as ulaula koae or longtail red snapper
 * Callistus Valentine Onaga (born 1958), Roman Catholic bishop
 * Takeshi Onaga (1950–2018), Governor of Okinawa, Japan
 * Hijiri Onaga (born 1995), Japanese football player
 * Onaga Shale, a fossil-bearing geologic formation in Onaga, Nebraska