Perf
Appearance
Perf or PERF may refer to:
- Perf (Lahn), a river in Germany
- perf (Linux), a performance analyzing tool in Linux
- Perf de Castro (Perfecto de Castro), Filipino musician
- Perfect (grammar), a glossing abbreviation used in linguistics
- Police Executive Research Forum, a US national membership organization
- A perforation
- "Perf", a single recorded by singer and social media personality Baby Ariel