Daniel Nash Morgan (August 18, 1844 – May 30, 1931) was a United States banker who was Treasurer of the United States from 1893 to 1897.

Daniel N. Morgan was born in Newtown, Connecticut on August 18, 1844.^[1] His father owned a store, which he took over as a young man. He later took a partner, running the store as Morgan & Booth.^[1] In 1869, he moved to Bridgeport, Connecticut, becoming a partner in Birdsey & Morgan, a firm producing dry goods and carpets.^[1] He also ran a grocery, Morgan, Hopson & Co., in 1877.^[1] In 1879, he became president of the City National Bank of Bridgeport.^[2]

Morgan was elected to the Bridgeport common council in 1873 and served until 1874. He was a member of the Bridgeport Board of Education from 1877 to 1878 and was mayor of Bridgeport in 1880 and 1884.^[1]

In 1893, President Grover Cleveland named Morgan Treasurer of the United States and Morgan held that office from June 1, 1893, until June 30, 1897.

He married a descendant of William Judson of Stratford, Connecticut. The Morgans had a son, William Judson Morgan, and a daughter, May Huntington Morgan.^[3]

Morgan was a candidate for governor of Connecticut in 1898, but lost to George E. Lounsbury.^[4]

Morgan died in Bridgeport on May 30, 1931, 12 days after being hit by an automobile.^[4] He is buried in Mountain Grove Cemetery, Bridgeport.^[4]