John Edward Greaves (Russian: Джон Эдуардович Гривз (Гревз); pre-Revolutionary spelling: Джонъ Грiевз; 1846, Sheffield, England, — January 18, 1923, Sheffield) was the British vice-consul at Berdiansk (now, Ukraine) (1907-1921), industrialist, and the founder of one of the largest European companies manufacturing agricultural machines, 'John E. Greaves and Co' (Russian: "Джонъ Грiевз и К°").