Cognomen Sigmon (Sigmon 
) , all around the world, is quite a common last name. The family name Sigmon is habitual in the United States, where it is quite a rare surname, New Zealand, where it is a rare surname, and Israel. In absolute terms, the name is most common in the United States, Canada, and Germany. Very seldom, Sigmon is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sigmon | Germany, United Kingdom, Philippines, United States, Canada |
| loyd sigmon American radio and television broadcaster, broadcasting company executive and inventor (b. 1909) |
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| lance sigmon American air force officer, US (b. 1958) |
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| neil sigmon (b. 1965) |
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| jana sigmon researcher (ORCID 0000-0001-5847-0871) |
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| john sigmon researcher (ORCID 0000-0003-1635-3882) |
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| leslie r sigmon researcher |
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| ginger e. sigmon researcher |
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| kristina n sigmon researcher |
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| neil phillip sigmon Ph.D. North Carolina State University 1995 |
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| timothy miller sigmon Ph.D. Duke University 1979 |
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| kermit neal sigmon Ph.D. University of Florida 1966 |
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| brandi sigmon researcher (ORCID 0000-0003-3914-6894) |
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| neil p. sigmon |
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| brian o. sigmon |
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