Does won’t have an apostrophe?

Yes, won’t is spelled with an apostrophe (i.e., “wont” is incorrect). “Won’t” is the contraction (short form) of “will not.”

Won’t and wont are different words with different meanings.

You can use QuillBot’s free Grammar Checker to help you pick up errors in the spelling of commonly confused words such as “won’t” and “wont.”