The United Africa Company (UAC) was a British company which principally traded in West Africa during the 20th century.

The Royal Niger Company was a mercantile company chartered by the British government in the nineteenth century. It was formed in 1879 as the United African Company and renamed to National African Company in 1881 and to Royal Niger Company in 1886. In 1929, the company became part of the United Africa Company, which came under the control of Unilever during the 1930s and continued to exist as a subsidiary of Unilever until 1987, when it was absorbed into the parent company.