Breidnes Peninsula

{{Short description|Peninsula in Antarctica}}

Breidnes Peninsula ({{Coord|68|34|S|78|10|E|source:GNIS|display=inline,title}}) is a rocky peninsula, {{convert|13|nmi|km}} long and {{convert|5|nmi|km|0}} wide, between Ellis Fjord and Langnes Fjord in the Vestfold Hills. It was mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition (1936–37) and named "Breidneset" (the "broad promontory").