Cognomen Blackstad (Blackstad 
) , in the entire world, is a rare last name. The cognomen Blackstad is habitual in Norway, where it is a rare surname, the United States, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Blackstad | United Kingdom, Norway, Canada, United States |
| johan blackstad Norwegian politician, NO (b. 1832) |
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| theodor blackstad Norwegian professor (1925-2003), NO (b. 1925) |
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Sue, Gary, Lisa, Lois, Luke, Lynn, John, Joan, Jean, Tawn, Dawn, Tony, Erik, Marie, Myrna, Sally, Sarah, Sadie, Shana, Steve, Stacy, Troy, Dale, Ryan, Rita, Ana, Amy, Bob, Jon, Joy, Tor, Tom, Ian, Mary, Mark, Mike, Miki, Sara, Alan, Cory, Boyd, Koby, Kris, Paul, Rolf, Rick, Scott, and Ariel