James Heywood or James Haywood may refer to:
- James Heywood (chief executive) (born 1966), American mechanical engineer who co-founded the ALS Therapy Development Institute
- James Heywood (philanthropist) (1810–1897), British MP, philanthropist and social reformer
- James Heywood (cricketer), English cricketer
- James Heywood, Oxford University Conservative Association (OUCA) President Trinity Term 2014.
- James Ryan Haywood (born 1980), member of Achievement Hunter and former animator of Rooster Teeth's Red vs. Blue
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