Grafton Tyler Brown was an American painter, lithographer and cartographer. Brown was the first African-American artist to create works depicting the Pacific Northwest and California.

He was born on February 22, 1841, in Harrisburg, Pennsylvania. His parents were Wilhelmina and Thomas Brown, who were born free in Maryland and moved to Pennsylvania in 1837. His father was a freedman and was involved in the abolitionist movement. Brown worked for a printer in Philadelphia when he was fourteen. It was there where he learned the skill of lithography.

Brown moved to San Francisco in 1858 and worked as a hotel steward and porter. He worked as a lithographer before becoming known as a painter in the 1880s. In San Francisco, he worked at Kuchel & Dressel from 1861–1867. In 1867 he opened his own firm. Economic activity in California that was supported by mining activity led to Brown creating advertisements, maps, and scrip for a range of clients throughout the 1870s. In 1878 he created The Illustrated History of San Francisco, which consisted of 72 topographical images of the city. Brown's work in the Bay Area and in the Nevada Territory included documentation of settlements, property sales, claims and city boundaries.

The following year he sold his company. He left the Bay Area in 1882 and moved to Victoria, British Columbia. While there, he participated in the Amos Bowman Geological Survey. While participating in the survey, he served as draftsman and documented the Cascade Mountains. In 1884 he moved back to the United States and traveled throughout the northwest and west, painting such sites as Mt. Rainier. He lived in Portland, Oregon, painting landscapes and also traveling to Yosemite and Yellowstone National Park to paint.

In 1893, Brown moved to Saint Paul, Minnesota. In St. Paul he worked again as a draftsman, this time for the United States Army Corps of Engineers and for the city of St. Paul's engineering department. He died in St. Peter, Minnesota, on March 2, 1918.