Lyman may refer to:

Look up Lyman in Wiktionary, the free dictionary.

• Lyman (name), a list of people and fictional characters with the given name or surname
• USS Lyman, a World War II destroyer escort
• Lyman High School (disambiguation), various American high schools
• Lyman School for Boys, Westborough, Massachusetts, United States, a school from c. 1884 to c. 1971

• Lyman series of hydrogen spectral lines in physics
• Lyman Block, Brockton, Massachusetts United States, a historic commercial building on the National Register of Historic Places
• Lyman House (disambiguation), various American houses on the National Register of Historic Places
• Lyman Terrace, Lincoln, Nebraska, United States, a historic apartment building on the National Register of Historic Places
• Lyman Viaduct, Colchester, Connecticut, United States, a buried railroad trestle on the National Register of Historic Places
• First battle of Lyman (May 2022), part of the Russian invasion of Ukraine
• Second battle of Lyman (September–October 2022)
• John Lyman Book Awards, given annually by the North American Society for Oceanic History
• Liman (disambiguation)
• Lymon (disambiguation)
• All pages with titles beginning with Lyman

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