Tena is a Croatian diminutive of Terezija, which is itself the Slovene and Croatian form of Theresa. The name Theresa has a rich history, originating from the Spanish and Portuguese name Teresa, first recorded as Therasia in the 4th century. It was borne by the Spanish wife of Saint Paulinus of Nola. Its meaning is uncertain, possibly deriving from Greek θέρος (theros) meaning "summer," from θερίζω (therizo) meaning "to harvest," or from the Greek island of Therasia. During the Middle Ages, the name Theresa was largely confined to Spain and Portugal. It spread throughout the Christian world after the 16th century due to the fame of Saint Teresa of Ávila, a Spanish nun and reformer. Another notable bearer was the Austrian Habsburg queen Maria Theresa (1717–1780), who inherited her father's domains, sparking the War of the Austrian Succession. The name's diminutive forms, such as Tena, are common in Croatian and other Slavic languages, where they are used as affectionate or informal variants. While Tena is primarily a feminine given name, it also appears as a surname in various cultures: it is found as a place name in Colombia (a town and municipality in Cundinamarca) and Ecuador (the capital of Napo province, as well as a canton). According to 2010 United States Census data, the surname Tena ranks as the 9865th most common in the U.S. and is most frequent among Hispanic/Latino individuals. However, as a given name, its usage is concentrated in Croatian-speaking regions. Notable BearersIn the context of the given name, notable individuals specifically named Tena are rare. However, its root name Theresa has many famous bearers, including Saint Teresa of Calcutta (Mother Teresa), Saint Thérèse of Lisieux, and several royal figures like Maria Theresa of Austria. The Croatian form Terezija is also associated with historical figures such as Terezija Gregurić de Livno, a 19th-century Croatian noblewoman.Cultural SignificanceAs a diminutive, Tena conveys warmth and familiarity, typical of Croatian naming traditions where names are often affectionately shortened. The name's connection to Theresa, which carries strong religious and royal connotations, gives it an understated yet deeply rooted heritage. Though less common outside Croatia, it is a name that blends simplicity with historical depth.SummaryMeaning: Diminutive of Terezija (derived from Theresa, possibly meaning "summer" or "harvester")Origin: CroatianType: Given name (feminine), also a surnameUsage regions: Croatia, diaspora; also a place name in South America