Across the world, Katnich (Katnich 
) is an extremely rare unknown gender first name. Much more prevalently, Katnich is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Katnich | Australia, Italy, Canada, United States |
Sue, Helen, Marisa, Mathew, Robert, Donald, Laurie, Joseph, John V, Trini, Tracey, Melissa, Michael, Suzanne, Barbara, Pauline, Vanessa, Michelle, Gracelyn, Marijan, Donna, Diana, Debra, Kai, Rob, Lee, Joe, Mara, Sara, Alan, Greg, Glen, John, Joey, Tina, Fred, Maria, Mirta, Sonja, Agnes, Karen, Robin, Virginia, and Vanessa Kay