Other
- Huaca or wak'a, in the Quechua language, a class of sacred objects
- Waka/Jawaka, a 1972 album by Frank Zappa
- Cyclone Waka, a severe tropical cyclone which formed to the northwest of Samoa on December 29, 2001
- A fictional character in the video game Ōkami
- Waka is a proposed pronunciation for angle brackets
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