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, Australia, United States, Canada, New Zealand |
| james ambrose cotham (b. 1810) |
|
|
|
tricia cotham Educator, Legislator, US (b. 1978) |
|
|
caleb cotham American professional baseball player, US (b. 1987) |
|
| pat cotham American politician |
|