In sports, a winning streak refers to a consecutive number of games won. A winning streak can be held by a team, as in baseball, football, basketball, hockey, or by an individual, as in tennis. A winning streak that extends through a single season is known as a perfect season.

The longest recorded winning streak in any professional sports is Jahangir Khan's 555 consecutive wins in squash from 1981 to 1986. However, in the same sports, the Australian Heather McKay may hold a claim to have an even the longer winning streak as she went unbeaten for 19 years, from 1962 to 1981, but an official tally of her wins may not exist. Currently, Esther Vergeer is on a 452-match winning streak in wheelchair tennis since January 30, 2003, which included a streak of 250 consecutive sets won.

A winning streak is not to be confused with an unbeaten streak, where teams can tie as well as win and keep their streak. For example, if a football team wins four games in a row, plays a draw, wins three more, plays two draws in a row, and then loses, they had a 10-game unbeaten streak. Their longest winning streak in this sequence was four. If a sports league declares overtime losses different from regulation losses in that they are scored like ties (such as ice hockey leagues where there is both a 4-on-4 overtime and a penalty shootout to break ties), an unbeaten streak (unlike a winning streak) continues if at the end of regulation, the game is tied. This is because losses in overtime and shootout are declared regulation ties, and teams accumulate one point for the draw. As such, if a team wins four consecutive games, then loses two consecutive games in overtime, then loses in a shootout, and then wins three consecutive games, that team has a ten-game unbeaten streak (seven wins and three ties at the end of regulation).

Winning streak may refer to:

Brent "Buzz" Williams is the head coach of the men's basketball team of Marquette University. Williams took over as the school's 16th head basketball coach on April 7, 2008, following Tom Crean's departure to Indiana University. He served as head men's basketball coach at the University of New Orleans during the 2006-2007 season, and as an assistant coach at Texas A&M, Colorado State, Northwestern State, Texas A&M Kingsville and The University of Texas at Arlington. Williams signed a six-year contract with Marquette University for an undisclosed annual salary.

Williams grew up in Van Alstyne, Texas. He earned a bachelor's degree in Kinesiology from Oklahoma City University in 1994 and a Masters in the same field at Texas A&M-Kingsville in 1999. Williams and his wife, Corey Norman, have two daughters (Addyson & Zera) and two sons (Calvin & Mason).

He coached Marquette to a 25–10 record in the 2008–09 season, where they lost to the Missouri Tigers in the second round of the NCAA tournament.

Giovani "Gio" Bernard (born November 22, 1991) is an American football tailback for the 2011 North Carolina Tar Heels football team.

Bernard played high school football at St. Thomas Aquinas High School in Fort Lauderdale, Florida. While in high school, he was ranked as the No. 2 running back in Florida by the Orlando Sentinel and the No. 12 running back in the United States by Rivals.com. He is the younger brother of former Oregon State running back Yvenson Bernard.

Bernard enrolled at the University of North Carolina at Chapel Hill, but he was forced to redshirt after tearing the anterior cruciate ligament in his right knee during a preseason practice in August 2010.

Bernard recovered from the injury and became the starting tailback for the Tar Heels in the 2011 college football season. He became the first North Carolina running back to rush for at least 100 yards in five straight games since Ethan Horton in 1984. His season-high came against Georgia Tech on September 24, 2011, rushing for 155 yards. In mid-October 2011, Bernard was added to the watch list for the Maxwell Award, presented annually to the best offensive player in college football.