~4 min read
Encyclopedic overview
16 sectionsContents
- Arts and media
- Fictional characters and entities
- Film
- Music
- Laws and international agreements
- Organizations
- Government agencies
- Other organizations
- People
- Science and technology
- Chemistry
- Physics
- Computing
- Medicine
- Other uses
- See also
Opa or OPA may refer to:
== Arts and media ==
Excerpted from Wikipedia’s “OPA” article, available under the CC BY-SA 4.0 licence.