![](http://up.wiki.x.io/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up ESOL in Wiktionary, the free dictionary.
ESOL may refer to:
- English for Speakers of Other Languages, the use or study of English by speakers of other languages
- Existential second-order logic, a fragment of second order logic consisting only of existential second-order formulas