Family name Cotham (Cotham 
) , throughout the world, is a rare cognomen. The surname Cotham is characteristic of the United States, where it is a rare surname, the United Kingdom, and New Zealand. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Cotham | United Kingdom, Canada, Australia, New Zealand, United States |
| james ambrose cotham (b. 1810) |
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tricia cotham Educator, Legislator, US (b. 1978) |
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caleb cotham American professional baseball player, US (b. 1987) |
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| pat cotham American politician |
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