Cognomen Bachelor (ตรี 
, Bachelor 
, Bacheler 
) , in all the world, is quite a rare family name. The last name Bachelor is habitual in Antigua and Barbuda, where it is quite a common surname, Isle of Man, where it is quite a rare surname, and the United States, where it is a rare surname. In absolute terms, the name is most common in the United States, the United Kingdom, and Bangladesh. Also, Bachelor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ปริญญาตรี, ตรี | Thailand |
| Bachelor | Bangladesh, Myanmar, United Kingdom, United States, Indonesia |
| Bacheler | United Kingdom, United States, India, Philippines |
| mary a. bachelor US (b. 1829) |
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stephanie bachelor American actress (1912-1996), US (b. 1912) |
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| joseph m. bachelor American writer and academic (b. 1887) |
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| alexandra bachelor professor in the Department of Psychology at Laval University, CA (b. 1948) |
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| richie bachelor college basketball player (1957–1957) Seton Hall |
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| gordon guthrie malcolm bachelor lord Lieutenant |
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| eric bachelor college basketball player (1973–1974) Marshall |
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| richard bachelor N. J. Mayhew, ‘Moneyers (act. c.1180–c.1500)’, first published |
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