Last name Estby (Estby 
) , all over the world, is a rare cognomen. The last name Estby is characteristic of Sweden, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States. Measured by absolute frequency, the name is most common in the United States, Sweden, and Canada. Very seldom, Estby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Estby | Sweden, Norway, United States, Canada, New Zealand |
|
helga estby American suffragist, US (b. 1860) |
|
| h. c. estby American politician – Minnesota -House 1899-1900 (District 58), US (b. 1857) |
|
|
| stefan estby Swedish writer, SE (b. 1947) |
|
|
| fred estby Swedish musician, SE (b. 1972) |
|
|
| victor estby Swedish writer and journalist, SE (b. 1974) |
|
|
| heather estby researcher |
|
Ben, Steve, Stacy, Scott, Chris, Becky, Brian, Karen, Peter, Devin, Debra, Danny, Daryl, David, Laura, Linda, James, Jenny, Jerry, Trudi, Tyler, Nancy, Susan, Sasha, Myron, Fred, Dan, Joy, Tom, Ike, Mary, Sara, Alan, Cory, Brad, Kate, Heidi, Paul, Dawn, Lisa, Lois, Luke, Lynn, Jane, Joel, Jean, Tara, Hans, Ruth, and Obert