William Nicholls
William or Bill Nicholls may refer to:
- William Nicholls , English clergyman and theologian
- Sir William Nicholls , British Royal Marines general
- William Henry Nicholls, Australian amateur botanist
- Billy Nicholls, British singer, songwriter, composer, record producer, and musical director
- Bill Nicholls , Australian rules footballer
- Bill Nicholls , Vanuatuan footballer
- Will Nicholls, British photographer and film-maker