- Putnam, Connecticut
- Putnam County, Florida
- Putnam County, Georgia
- Putnam County, Illinois
- Putnam County, Indiana
- Putnam County, Missouri
- Putnam County, New York
- Putnam, New York (town)
- Putnam County, Ohio
- Putnam County, Tennessee
- Putnam County, West Virginia
- Putnam Mountain, Idaho (Fort Hall, Idaho)
- Adam Putnam (fl. 2000s), American politician
- Ann Putnam, Jr. (1679–1716), American criminal defendant
- Ashley Putnam (b. 1952), opera singer
- Benjamin A. Putnam (fl. 1810s), American soldier & politician
- Brenda Putnam (1890-1975), sculptor
- Carleton Putnam (c. 1902 -1998), aviator, activist & author
- George D. Putnam (born 1948), screenwriter
- Howard Putnam , travel business manager
- George Putnam (newsman) (born 1914), journalist
- George Haven Putnam (1844-1930), book entrepreneur & publishing-family member
- George Palmer Putnam (1814-1872), book entrepreneur
- George P. Putnam (1887-1950), publisher, author, explorer, & publishing-family & aviation-family member
- Herbert Putnam (1861-1955), American library administrator & publishing-family member
- Hilary Putnam , philosopher
- Israel Putnam (1718-1790), American soldier
- Mary Corinna Putnam Jacobi (1842-1906), American physician
- Michael Putnam (b. 1933), classical scholar
- Robert Putnam , political scientist
- Roger Putnam (1892-1972), American politician and industrialist
- Rufus Putnam (1738–1824), American soldier
- Seth Putnam , musician
- Thomas Putnam
- William LeBaron Putnam (1835-1918), American jurist & politician
- William Lowell Putnam (1861-1923), American jurist & banker
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