Kazuchika Okada (岡田 和睦 Okada Kazuchika, ring name: オカダ・カズチカ) is a Japanese professional wrestler currently signed to New Japan Pro-Wrestling (NJPW), where he is a five-time IWGP Heavyweight Champion. Okada holds the record for the longest reign in the history of the IWGP Heavyweight Championship at 720 days.