Jota may refer to:
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- Iota (Ι, ι), the name of the 9th letter in the Greek alphabet
- (figuratively) Something very small, based on the fact that the letter iota is the smallest character in the alphabet
- The name of the letter J in Spanish and Portuguese
- Jota (music), a type of Spanish music and dance
- Jota (food), an Istrian bean-sauerkraut stew
- Jamboree on the Air (JOTA), an international amateur radio event organised by Scouts;
- Jota Aviation, a British airline.
