Cognomen Zajíček (Zajicek 
, Zajíček 
) , in all the world, is quite a common last name. The last name Zajíček is characteristic of Czechia, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Austria. Not in comparison with a country's population, it is commonest in Czechia, the United States, and Slovakia. Much less frequently, Zajíček is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zajicek | Malaysia, Austria, Slovakia, United States, Czechia |
| Zajíček | Czechia, Slovakia, United States, Germany |
| jan zajíček CZ (b. 1828) |
|
|
| antonín zajíček Czech and Serbian physician, hospital director in Niš, CZ (b. 1845) |
|
|
| edvard zajíček CZ (b. 1843) |
|
|
| františek zajíček US (b. 1860) |
|
|
| františek zajíček CZ (b. 1880) |
|
|
| antonín zajíček CZ (b. 1883) |
|
|
| františek zajíček political prisoner, CZ (b. 1896) |
|
|
| gustav zajíček holocaust victim, b. 1897-09-09, CZ (b. 1897) |
|
|
| karel zajíček CZ (b. 1888) |
|
|
|
tom zajíček Czech member of Czech Parliament (1998–2010) and sociologist, CZ (b. 1948) |
|
| jaroslav zajíček CZ (b. 1889) |
|
|
|
jan zajíček ice hockey player (1951-), CZ (b. 1951) |
|
|
pavel zajíček Czech poet and musician, CZ (b. 1951) |
|
| vojtěch zajíček CZ (b. 1891) |
|
|
| petr zajíček CZ (b. 1893) |
|
Jan, Jarda, Jakub, Josef, Juraj, Jirka, Tonda, Honza, Filip, Ondra, Martin, Matěj, Mojmír, Miloš, Michal, Slavoj, Patrik, Daniel, Luděk, Luboš, Jiří, Vašek, Libor, David, Robin, Roman, Ing, Anna, Adam, Kuba, Petr, Ján, Emil, Ivan, Marek, Milan, Šimon, Míra, Aleš, Boris, Brian, Karel, Kamil, Pavel, Peter, Radim, Radek, Rosťa, Míla, and Staník