Lord Krishna had 16,108 wives in total. His principal wives were Rukmini, Satyabhama, Jambavati, Nagnajiti, Kalindi, Mitravinda, Bhadra, and Lakshmana. He rescued 16,100 women from Narakasura who had forcibly kept them in captivity in his palace. He married them all to protect their honour.
Your query is how many wives did krishna have and answer for your query is 8.