Tonny and Þonny are given names. Tonny is a diminutive Swedish, Danish, Finnish, Dutch, and Norwegian unisex form of the given names Antonia, Antonius, Anton, Antoon, Anthonis, Anthoon as well as a Scandianvian masculine version of the name Toni and pet form of names ending with the element "-ton" that is popular in Finland, Denmark, Sweden, Norway, the Netherlands, Indonesia, South Africa, Namibia, Suriname, Republic of Karelia, Estonia and Greenland. Þonny is a feminine given name that is a form of Torny.