Cognomen Janáčová (Janáčová 
) , globally, is a rare last name. The last name Janáčová is habitual in Eastern Europe, particularly Czechia, where it is quite a rare surname, and Slovakia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Janáčová | Czechia, Slovakia |
| zdenka janáčová (b. 1922) |
|
|
| dagmar janáčová CZ (b. 1963) |
|
|
| radana janáčová CZ (b. 1978) |
|
|
| eva janáčová (b. 1981) |
|