Last name Fortnam (Fortnam 
) , worldwide, is a rare cognomen. The family name Fortnam is habitual in the United Kingdom, where it is a rare surname, Malaysia, where it is a very rare surname, and Australia. In absolute terms, it is the most numerous in the United Kingdom, the United States, and Malaysia.
| VARIANT | COUNTRY |
|---|---|
| Fortnam | United Kingdom, South Africa, Malaysia, Australia, United States |
| elizabeth fortnam (born 1823) (b. 1823) |
|
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| craig fortnam British musician, GB (b. 1967) |
|
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| matt fortnam researcher |
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Mr, Shana, Susan, Steve, Scott, Allan, Chris, Carey, Colin, Barry, Sarah, Brett, Bryan, Peter, Ronny, Roger, Renee, David, Diane, Gemma, Linda, Bruce, Emma, Eric, Edna, Ms, Ann, Amy, Ben, Ken, Dan, Les, Lee, Jim, Tom, Mary, Sara, Sean, Scot, Alex, Anne, Chaz, Dean, Tony, Nina, Neil, James, and Joann