Family name Diffie (迪菲 
, Diffie 
, ديفي) , throughout the world, is a rare cognomen. The surname Diffie is habitual in the United States, where it is a very rare surname, China, and Canada, where it is an extremely rare surname. More prevalently, Diffie is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 迪菲 | China |
| Diffie | Canada, United States |
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bailey whitfield 'whit' diffie American cryptographer, US (b. 1944) |
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joe diffie American country singer, US (b. 1958) |
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| granville diffie college basketball player (1950–1950) Maryland |
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| dicky diffie guest on Deddy Corbuzier Podcast |
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Sam, Craig, Cindy, Billy, Karen, Kathy, Kelly, Kevin, Paula, Petra, Roger, Ricky, Devon, Debra, Darah, David, Dicky, Donna, Duane, Larry, Tisha, Tyler, Clint, Colin, Carol, Chris, Sue, Dan, Jon, Joe, Mary, Mark, Matt, Shea, Barb, Kara, Tyson, Rita, Dale, Lori, John, Jeff, Jill, Erin, Iris, Marge, Sammy, April, Dava, and Elise