The disclosed computer-implemented method for enforcing access-control policies may include (1) detecting, at a network device capable of configuring networks according to access-control policies, an attempt to connect a client to an access-controlled network, (2) identifying an access-control policy that applies to the access-controlled network, (3) configuring the access-controlled network according to the access-control policy, and (4) notifying the client that the access-controlled network is available. Various other methods, systems, and computer-readable media are also disclosed.