German:
* "Böh-seh" (The "oe" sounds like the "o" in "go", and the "se" sounds like the "say" in "say").
English:
* "Boze" (The "oe" sounds like the "o" in "go").
Other Languages:
* There may be other pronunciations depending on the origin and language.
If you have more context about where you encountered the name "Boese," I can provide a more specific answer.