Quincy Anton Promes, born on 4 January 1992, is a Dutch professional footballer known for his versatility as a winger or forward. He has represented the Netherlands at the international level and currently plays for UAE First Division League club United. Promes began his career with Twente in 2011 and later moved to Russian club Spartak Moscow, where he achieved notable success, including winning the Russian Premier League and being named Footballer of the Year in Russia. He then signed for Spanish club Sevilla before returning to his boyhood club, Ajax, where he regained form and became a key player. Despite his on-field success, Promes has faced legal issues, including convictions for aggravated assault and drug trafficking. These criminal procedures have impacted his national team involvement and career progression. In 2021, he moved back to Spartak and later joined Dubai United. Promes' journey in professional football has been marked by both triumphs and challenges, making him a controversial figure in the sports world.

Quincy Jovan Allen, born on November 7, 1979, is an American serial killer convicted of killing four people in a crime spree in 2002. His criminal activities began after he was told in federal prison that he could work as a Mafia hitman. Upon release, he started practicing with a shotgun in preparation for this promised career. His crimes included shooting a homeless man, killing a woman and burning her body, fatally shooting two people during a robbery, and engaging in a confrontation that resulted in another killing. Allen was arrested in August 2002 and faced further legal troubles while in prison, including a violent attack on a correctional officer. Initially sentenced to death, his sentence was later commuted to life imprisonment in 2024 after accepting a plea deal. The case highlights the impact of violent crimes on individuals and communities. Allen's actions have had lasting consequences for his victims and their families and serve as a reminder of the importance of justice and rehabilitation in the criminal justice system.

Quincy Jyrome Acy, born on October 6, 1990, is an American basketball coach and former professional player. He currently serves as an assistant coach for the Wichita State Shockers. Acy's basketball journey began in college, where he played for the Baylor Bears. Throughout his seven-season career in the NBA, he showcased his talents with teams such as the Toronto Raptors, Sacramento Kings, New York Knicks, Dallas Mavericks, Brooklyn Nets, and Phoenix Suns. Acy's skill set also led him to play in the NBA Development League and internationally in China, Israel, and Greece.Acy's early life was marked by the challenges of his parents' divorce, which led to him being raised by his mother in Dallas. His high school career at John Horn High School in Mesquite, Texas, highlighted his prowess as a four-star recruit and set the stage for his impressive college career. At Baylor, Acy left a lasting impact, earning various honors and accolades for his contributions to the team.In the professional realm, Acy's journey encompassed stints with multiple NBA teams, showcasing his adaptability and talent. His career saw him achieve notable milestones, including career-high performances and noteworthy contributions to various teams.Overall, Quincy Jyrome Acy's basketball journey is a testament to his dedication, resilience, and unwavering passion for the sport.

LaVonya Quintelle "Quincy" Carter, born on October 13, 1977, is a former professional football player known for his career as a quarterback in the National Football League (NFL). Carter began his football journey at Southwest DeKalb High School in Decatur, leading the Panthers to the 1995 AAAA State Championship. His exceptional performance garnered him Parade All-American and USA Today Georgia Player of the Year honors. Despite originally signing with Georgia Tech for football, he opted to pursue a career in minor league baseball, where he played for the Chicago Cubs organization from 1996 to 1999. Later, Carter returned to college football, joining the University of Georgia and making history as the Bulldogs' first freshman starting quarterback in 53 years. His standout performance led to numerous accolades, including the Southeastern Conference Freshman of the Year. Throughout his college career, Carter continued to showcase his talent, setting records and receiving recognition for his outstanding contributions. After college, he went on to play in the NFL for the Dallas Cowboys and New York Jets before also competing in various other football leagues. Quincy Carter's versatile athletic journey has left a lasting mark on the sports world, showcasing his exceptional talent and determination.

Quincy Jamie Owusu-Abeyie, also known as Quincy, is a former professional footballer and rapper. Born in Amsterdam, Netherlands, to Ghanaian parents, he began his football career with Ajax before moving to Arsenal at the age of 16. Quincy's club career took him to various countries, playing for Spartak Moscow in Russia, Celta de Vigo and Málaga in Spain, Birmingham City, Cardiff City, and Portsmouth in England, Al-Sadd in Qatar, Panathinaikos in Greece, Boavista in Portugal, and NEC in the Netherlands. He also represented Ghana in international football, having initially played for his birth country at the youth level before requesting and being approved to represent Ghana. Quincy's time at Arsenal saw him making notable contributions, including scoring his first goal for the first team and featuring in the 2004–05 FA Cup campaign. Despite facing challenges in breaking through to regular first-team selection, Quincy's talent and potential were evident throughout his career, earning him opportunities to play for various clubs and represent his country on the international stage.