Umar Khan may refer to:

• Umar Khan Jamali, Pakistani politician
• Umar Khan (umpire), Pakistani former umpire
• Umer Khan (cricketer), Pakistani cricketer
• Omar Khan (American football) (born 1977), American football executive
• Omar Ayub Khan (born 1970), Pakistani politician
• Omar Asghar Khan (1953–2002), Pakistani social activist, social scientist, economist and politician
• General Omar Khan, Yuan Dynasty general during the 1288 Battle of Bạch Đằng
• Omar Khan (businessman), Indian restaurant chain owner and owner of the Bradford Bulls