NFS may refer to:
Arts and media
- Need for Speed, a series of racing video games
Organisations
- NFS (news service) (Nýja fréttastofan), a former Icelandic television news service
- National Financial Switch, a bank network in India
- National Fire Service, the Second World War UK fire service
- Council of Nordic Trade Unions (Nordens Fackliga Samorganisation)
- National Forest System, a division of the United States Forest Service
- National Funding Scheme, a UK charity fundraising organization
Technology
- Network File System, a distributed file system protocol
- Number field sieve, an algorithm for factoring integers