James Gayley | |
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| Born | October 11, 1855 Lock Haven, Pennsylvania, U.S. |
| Died | February 25, 1920 (aged 64) New York City, U.S. |
| Nationality | American |
| Education | Lafayette College |
| Occupation(s) | Steel director, metallurgist |
| Known for | Inventor of the dry air blast Director of the Carnegie Steel Company First vice-president of U.S. Steel |
James Gayley (October 11, 1855 – February 25, 1920) was an American chemist and steel metallurgist who served as managing director of the Carnegie Steel Company, and as the first vice president of U.S. Steel from 1901 to 1908. He is credited with many inventions which greatly improved the fields of steel and iron making. For his contributions in the field of metallurgy, he was awarded the Elliott Cresson Medal in 1909, and the Perkin Medal in 1913.