Kaido is an Estonian and Finnish given name, a masculine form of Kaidi – a variant of Katariina.
People named Kaido include:
Kaido Höövelson, sumo wrestler
Kaido Kaaberma, fencer
Kaido Kalm, ice sledge hockey player and Paralympic competitor
Kaido Kama, politician
Kaido Kreen, volleyball player
Kaido Külaots, chess Grandmaster
Kaido Ole, painter
Kaido Põldma, musician
Kaido Reivelt, physicist, researcher and educator
Kaido Saks, basketball player
Kaido Veermäe, actor From Wikipedia