Cognomen Cortelyou (Cortelyou 
) , around the world, is a rare last name. The cognomen Cortelyou is habitual in the United States, where it is a very rare surname, Canada, and China, where it is an extremely rare surname. Much less frequently, Cortelyou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cortelyou | Canada, United States, China |
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jacques cortelyou American cartographer (b. 1625) |
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| peter cortelyou (b. 1796) |
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george b. cortelyou American politician (1862-1940), US (b. 1862) |
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| ethaline cortelyou American chemist and scientific technical writer, US (b. 1909) |
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Mr, Joan, Toni, Toby, Eric, Megan, Sandy, Shawn, Susan, Scott, Arlin, Aaron, Chris, Carol, Clara, Clark, Craig, Cinde, Betty, Bette, Brian, Bruce, John, Jami, Lisa, Greg, Kat, Kay, Dan, Don, Lee, Jon, Mary, Mark, Sara, Adam, Blake, Cait, Karl, Kate, Koby, Paul, Rick, Rita, Ryan, Gary, Gale, Gail, Bill, and Karla