Cognomen Koubova (Кубова 
, Koubova 
) , in the world, is quite a rare last name. The last name Koubova is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname, Ukraine, where it is a rare surname, and Belarus. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Czechia, Ukraine, and Russia. Very seldom, Koubova is the forename as well as the last name.
Ms, Zdenka, Martina, Marcela, Marketa, Barbora, Daniela, Grazyna, Jiřinka, Zlatka, Michaela, Karolina, Katerina, Kristina, Kristyna, Gabriela, Grażyna, Veronika, Magdalena, Svetlana, Zuzana, Helena, Tereza, Eva, Jana, Hana, Marie, Magda, Mirka, Pavla, Petra, Radka, Lenka, Lucie, Jitka, Erika, Ivana, Monika, Romana, Renata, Regina, Julija, Vladimira, and Vladislava