Globally, Fitzsimmons (พอดี 
, Fitzsimmons 
) is a rare gender-neutral first name. The forename Fitzsimmons is habitual in South-eastern Asia, particularly Thailand, where it is a rare epicene name. Much more prevalently, Fitzsimmons is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| พอดี | Thailand |
| Fitzsimmons | Australia, United Kingdom, Canada, United States, New Zealand |
Fitzsimons, and Фитзсиммонс
| foster fitzsimmons American dancer and writer (1912-1991), US (b. 1912) |
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| roy fitzsimmons American explorer (b. 1916) |
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riley fitzsimmons Australian canoeist, AU (b. 1996) |
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| ross fitzsimmons researcher |
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