Brock Name Meaning English, Scottish, and North German: variant of Brook.
English, Scottish, and Scandinavian: nickname for a person supposedly resembling a badger, Middle English broc(k) (Old English brocc) and Danish brok (a word of Celtic origin; compare Welsh broch, Cornish brogh, Irish broc). In the Middle Ages badgers were regarded as unpleasant creatures.
English: nickname from Old French broque, brock ‘young stag’.
Dutch: from a personal name, a short form of Brockaert.
South German: nickname for a stout and strong man from Middle High German brocke ‘lump’, ‘piece’.
Jewish (Ashkenazic): probably an acronymic family name from Jewish Aramaic bar- or Hebrew ben- ‘son of’, and the first letter of each part of a Yiddish double male personal name. Compare Brill. Jewish (from Poland): habitational name from Brok, a place in Poland.