Neilson may refer to:

• Zec Batiscan-Neilson, in the Portneuf Regional County Municipality, Quebec, Canada
• Neilson Township, in Portneuf Regional County Municipality, Quebec, Canada
• Neilson River (Bras du Nord), Saint-Raymond, Portneuf Regional County Municipality, Quebec, Canada

• Neilson Dairy, or William Neilson Dairy Limited, a Canadian dairy company
• Neilson and Company, 19th century locomotive manufacturer in Glasgow, Scotland

• Neilson (name), people with the given name or surname
• Roger Neilson Memorial Award, annual award for the top academic College/University player in the Ontario Hockey League

• Nielsen (disambiguation)
• Neilston, a village and parish in East Renfrewshire in the west central Lowlands of Scotland

This disambiguation page lists articles associated with the title Neilson.
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