Dijkstra's algorithm, Turing machines, von Neumann architecture, Hoare triples, Hamming distance, Levenshtein distance, Fisher-Yates (or Knute) shuffle, ...

https://en.wikipedia.org/wiki/List_of_algorithms - many of the items in this list are named after people.

Krebs' cycle, HeLa cells and Lugol's formula in medicine as well; And also an Allen key, a Phillips screwdriver, many of the physical units (Ampere, Volt, Tesla, Weber, Newton, ...).

It happens in all fields. For that matter, the Hebrew word for masturbation is named after Onan, who was described in the bible as having done so.

Onanism and related words exist in English and other languages too: https://www.collinsdictionary.com/dictionary/english/onanism

Kolmogorov complexity