Surname Ruhlman (Ruhlman 
) , across the world, is a rare family name. The cognomen Ruhlman is habitual in the United States, where it is a rare surname, Austria, and Czechia.
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| Ruhlman | Austria, Canada, Spain, Czechia, United States |
| b. f. ruhlman American politician, US (b. 1860) |
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| f. w. ruhlman American politician, US (b. 1869) |
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michael ruhlman American author, US (b. 1963) |
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| terrell ruhlman college basketball player (1948–1948) Penn State |
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| tracey ruhlman researcher |
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| _ ruhlman college basketball player (1949–1949) Penn State |
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