Jacob Davis

Jacob Davis may refer to:
 * Jacob C. Davis (1820–1883), American politician (Illinois) and criminal defendant
 * Jacob E. Davis (1905–2003), American politician (Ohio)
 * Jacob W. Davis (1831–1908), Latvian-American entrepreneur
 * Jacob Davis Babcock Stillman
 * Jacob Davis (pole vaulter), winner of the 1999 NCAA DI outdoor pole vault championship