James Neilson
James Neilson may refer to:
- James Beaumont Neilson (1792–1865), Scottish inventor of iron-smelting processes
 - James Crawford Neilson (1816–1900), Baltimore, Maryland architect
 - James Neilson (director) (1909–1979), film and television director
 - James Neilson (footballer) (1887–1917), Scottish footballer
 - James Neilson (racing driver) (died 1953), Scottish racing driver
 - Jim Neilson (born 1941), aka James Anthony "Chief" Neilson, professional ice hockey player