English by region: jumper (East Midlands, London and South East England, North East England, North West England, Scotland, South West England, West Midlands, Yorkshire).
Spanish by region: suéter (Central America, Cuba, Dominican Republic, Puerto Rico, Mexico, Venezuela); saco (Colombia); chompa (Peru, Bolivia, Ecuador).
In other languages: светр (Ukrainian), Pullover (German), pull (French), jersey (Spanish), sweter (Polish).