Here's who bookmakers Sky Bet reckon will be in the running for the vacant position...
1. Danny Cowley
Odds: 16/1. The 40-year-old lead Lincoln to League One glory last season, and is a rising star in football management. Photo: Alex Davidson
2. Bruno Genesio
Odds: 16/1. He was briefly linked with the Magpies job, after leaving Lyon at the end of last season. Photo: Shaun Botterill
3. Nigel Pearson
Odds: 12/1. Another former Owls player, Pearson has been without a club since leaving Belgian side OH Leuven last February. Photo: Nathan Stirk
4. Chris Coleman
Odds: 12/1. The former Wales boss could be set for a return to managing in English football, after leaving Hebei China Fortune in May. Photo: Nigel Roddis