SVN or svn may refer to:
- SVN-98, a Russian anti-materiel rifle
- Slovenia, ISO 3166-1 alpha-3 country code SVN
- Social Venture Network, a social responsibility network
- South Vietnam, a former state
- Student Video Network, a television network
- 7 Days Inn, a Chinese budget hotel chain listed on the NYSE under the ticker symbol SVN
- Apache Subversion, a software versioning and revision control system