Michael Gregory Mizanin (born October 8, 1980) is an American professional wrestler, actor, and television personality. He is currently signed to WWE, where he performs on the Raw brand under the ring name The Miz.

Mizanin first gained fame as a reality television participant, appearing on The Real World: Back to New York in 2001 and its spin-off, Real World/Road Rules Challenge, from 2002 to 2005. He won Battle of the Seasons and The Inferno II. He reached the final of Battle of the Network Reality Stars, and won a Reality Stars-themed episode of Fear Factor in 2006. After finishing as runner-up in the fourth season of Tough Enough and subsequently launching his wrestling career, Mizanin appeared on Diva Search, Total Divas, Tough Enough, and hosted several seasons of The Challenge. He also stars in the reality television series Miz & Mrs. alongside his wife, Maryse Ouellet, and has starred in films produced by WWE Studios, namely The Marine franchise, Christmas Bounty (2013), and Santa's Little Helper (2015).

Mizanin signed with WWE in 2004, and debuted on the main roster in 2006. He has won the WWE Championship twice, the Intercontinental Championship eight times, the United States Championship twice, as well as a total of eight tag team championships, giving him 20 overall championships in WWE. As a result, he became WWE's 25th Triple Crown Champion and 14th Grand Slam Champion, as well as the only wrestler to accomplish the latter twice under the revised 2015 format. He also won the 2010 Money in the Bank ladder match. Mizanin is also the only WWE Triple Crown and Grand Slam champion to have won the Deep South Wrestling Heavyweight Championship, doing so while the promotion was WWE's developmental territory. Among WWE's most prolific pay-per-view event performers, Mizanin headlined WrestleMania XXVII in 2011, and was ranked No. 1 on Pro Wrestling Illustrated's annual PWI 500 list that same year.