Petar II Delyan (reigned 1040 – 1041) (Bulgarian: Петър II Делян) was the leader of an uprising against Byzantine rule in the Theme of Bulgaria during the summer of 1040.
Petŭr II Delyan (bertakhta 1040 – 1041) (bahasa Bulgaria: Петър II Делян) merupakan seorang pemimpin pemberontakan melawan pemerintahan Bizantium dalam Tema Bulgaria selama musim panas tahun 1040.