Launo merkilegu heiti: Vingjarnlegur, Hæfur, Heppinn, Skapandi, Gaum. Fá Launo merking nafns.
Launo Uppruni fornafns. Possibly a Finnish diminutive of Klaus. Fá Launo Uppruni fornafns.
Samheiti fyrir Launo í mismunandi löndum og tungumálum: Claes, Claus, Col, Klaas, Klas, Klaus, Kolos, Miklavž, Miklós, Mikołaj, Mikoláš, Miksa, Mikula, Mikuláš, Mykola, Neacel, Neculai, Nic, Niccolò, Nichol, Nicholas, Niĉjo, Nick, Nickolas, Nickolaus, Nicky, Nico, Nicol, Nicola, Nicolás, Nicolaas, Nicolae, Nicolao, Nicolaos, Nicolas, Nicolau, Nicolaus, Nicolò, Nicu, Nicușor, Niek, Niels, Nigul, Nik, Niklas, Niklaus, Niko, Nikola, Nikolaas, Nikolai, Nikolaj, Nikolajs, Nikolao, Nikolaos, Nikolas, Nikolaus, Nikolay, Nikoloz, Nikora, Nils, Nioclás. Fá Launo á öðrum tungumálum.
Algengustu nöfnin með eftirnafninu Svetlik: Philip, Chassidy, Nicky, Lahoma, Victor, Víctor. Fá Nöfn sem fara með Svetlik.