Contention may refer to:

• The main contention, in rhetoric, the main point being argued.
• Resource contention, a general concept in communications and computing, is competition by users of a system for the facility at the same time:
• Contention, in telecommunications, a condition where two or more stations attempt to transmit at the same time over a shared channel.
• The contention ratio, in computer networking, competition that applies specifically to the number of people connected to an ISP who share a set amount of bandwidth.
• Lock contention, in computer science, where a mutual exclusion lock reduces the throughput by hindering the concurrency of a program.
• Bus contention, in computer design, where multiple devices on a computer bus attempt to use it at the same time.

Contention may also refer to:

• Contention, Arizona, a ghost town in Cochise County in southeast Arizona.

See also

• Oversubscription