James Frost (born 1986) is a Welsh musician.
James Frost may also refer to:
- James Frost (cement maker) (c. 1780–c. 1840), British manufacturer
- James Frost (video director) (born 1973), English video director
- James Arthur Frost (1918–2017), American historian
- James Bernard Frost, American author
- James Marion Frost (1848–1916), American Baptist preacher
- James Maurice Frost (1838–1902), Ottoman-Scottish inventor, brigadier general, and military engineer