Wadner may refer to:
Villages in Maharshtra state, India Wadner, Buldhana Wadner Bk, Ahmednagar district Wadner, Ahmednagar district - see List of villages in Rahuri taluka
People and fictional characters Britt Wadner (1915–1987), Swedish pirate radio manager Tyra Wadner (1891–1967), founder of the Swedish Svenska Lottakåren (Swedish Women's Voluntary Defence Organization) Joachim Wadner, a character in Tajemnica Statuetki, a video game