Contention or contentious may refer to:
Contention (telecommunications), a media access method to share a broadcast medium
Contention, Oregon, U.S., later known as Twickenham
Contention City, Arizona, U.S., a ghost town
Bus contention, an undesirable state in computer design
FV4401 Contentious, a prototype British tank destroyer
Resource contention, in computer science, a conflict over access to a shared resource
