William Seymour may refer to:
- William Seymour (MP for Herefordshire) (died 1391), MP for Herefordshire (UK Parliament constituency)
- William Digby Seymour (1805–1872), MP for Kingston-upon-Hull
- William Digby Seymour, QC, lawyer and poet, MP for Sunderland and Somerset
- William H. Seymour (1840–1913), American politician
- William J. Seymour (1870–1922), American Pentecostal minister
- William Kean Seymour (1887–1975), British writer
- William Seymour (Congressman) (c. 1780–1848), US Representative from New York from 1835–1837.
- William Seymour (soldier) (1664–1728), Lieutenant-General, MP for Cockermouth, Totnes and Newport (Isle of Wight)
- William Seymour, 2nd Duke of Somerset (1588–1660)
- William Seymour, 3rd Duke of Somerset (1654–1671)
- William Seymour Tyler (1810–1897), American historian
Famous quotes containing the word william:
“Swans moulting die, snow melts to tears,
Roses do blush and hang their heads,”
—Henry Noel, British poet, and William Strode, British poet. Beauty Extolled (attributed to Noel and to Strode)