Note that the "Known for" section on his main page has 119 elements. But they're not all named after him.
https://en.wikipedia.org/wiki/List_of_things_named_after_Leo...
"In an effort to avoid naming everything after Euler, some discoveries and theorems are attributed to the first person to have proved them _after_ Euler."
https://en.wikipedia.org/wiki/List_of_things_named_after_Leo...