and may also refer to:

Football (soccer)

• Scottish Challenge Cup, a knock-out competition contested by the teams of the Scottish Football League.
• National Challenge Cup, single elimination soccer cup open to all U.S. teams. Now known as the U.S. Open Cup.
• AFC Challenge Cup, a football competition contested by the weaker teams of the Asian Football Confederation.
• Canadian National Challenge Cup, an amateur tournament in Canada contested since 1913.

Ice hockey

• Challenge Cup (UK Ice Hockey), a competition contested between members of the Elite Ice Hockey League in the United Kingdom.
• 1979 Challenge Cup, an ice hockey competition between the Soviet Union and the National Hockey League.
• Dominion Hockey Challenge Cup which is now known as the Stanley Cup, the championship trophy of the National Hockey League.

Rugby Union

• WRU Challenge Cup, is Wales' premier rugby union knock-out competition (currently known as the Konica Minolta Cup due to sponsorship).
• European Challenge Cup, a rugby union competition between sides from England, France, Ireland, Italy, Romania, Scotland and Wales.
• The Yorkshire Cup was initially known as the Yorkshire Challenge Cup.

Research

• Challenge Cup Competition of Science Achievement in China