In all the world, Nikolou (Nikolou 
) is an extremely rare feminine first name. Predominantly, Nikolou is the last name as well as the forename.
Mr, Foteini, Ioannis, Marixrusa, Savvoula, Stefanos, Angeliki, Katerina, Pinelopi, Dimitris, Georgios, Jennifer, Nikolaos, Vasiliki, Stylianos, Alexandra, Anastasia, Christina, Paraskevi, Dimitrios, Jenniferl, Evangelos, Vasilis, Chrissa, Ioanna, Iliana, Anna, Kiki, Pigi, John, Joni, Tina, Olga, Zina, Xara, Maria, Vasileios, Mairi, Sofia, Chara, Betty, Rumen, Giwta, Nikos, Shelly, George, Eirini, Victor, Milly, and Aikaterini