Joseph Kaye "J.K." Gill (August 13, 1841 – October 1, 1931) was an English-born American retailer and publisher in the state of Oregon.

A native of England, he came to the United States with his parents and settled in Oregon where he managed a bookstore in Salem.

Later he entered the business and became the owner of the now-defunct J. K. Gill Company that operated in the Pacific Northwest as a book and office supply store.

[1] In 1864, he sailed to Oregon where he enrolled at Willamette University in Salem in an effort to improve his eyesight by moving west.

[1] He gained sole control of the business in 1878 when Steel retired, and then named it J. K. Gill Company, later taking in his brother John as a partner.

[1] In 1884, he founded the Columbia River Paper company with William Lewthwaite and Henry Pittock, with Gill serving as president.