Across the world, Trnkova (Trnkova 
) is an extremely rare unknown gender forename. Much more prevalently, Trnkova is the last name as well as the forename.
Ms, Erika, Hanka, Věra, Ivana, Iveta, Zdena, Monika, Milena, Miriam, Sabina, Simona, Sylvie, Andrea, Blanka, Romana, Renata, Renée, Gréta, Libuse, Nikol, Jitka, Lucka, Lucie, Eva, Vã, Sara, Anna, Dana, Jana, Evik, Hana, Vera, Tereza, Maria, Majka, Alena, Adela, Pavla, Petra, Danka, Lenka, Linda, Lucia, Marie, and Týnka