Okada Reiko (岡田怜子), known by her nickname Okkyan (おっきゃん) during her time in TNX, is a Japanese fashion model and singer. She is a former idol as a member of Canary Club which was a part of NICE GIRL Project!, created by Tsunku. On May 1, 2011, she graduated from NICE GIRL Project! and retired from the entertainment industry to concentrate on her education.