Grottaminarda (Irpino: Rótta) is a town and comune in the province of Avellino (Campania), situated 80 kilometres (50 mi) northeast of Naples, in the southwest of Italy.

Grottaminarda is part of Roman Catholic Diocese of Ariano Irpino-Lacedonia and its territory borders with the municipalities of Ariano Irpino, Bonito, Flumeri, Fontanarosa, Frigento, Gesualdo, Melito Irpino and Mirabella Eclano.

Today, Grottaminarda's industrial district provides jobs for workers commuting from nearby cities. Many small and medium farms are present as well. The comune is a producer of torrone and salami. A large market, including vendors of fruit, vegetables, cheese, salami and a wide variety of household items is held every Monday.

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Sights include the churches of Santa Maria Maggiore, San Michele, and some ancient monuments. The Santuario di Carpignano is located in the village and frazione of Carpignano, 4.5 kilometres (2.8 mi) south.

Grottaminarda is served by the A16 motorway Naples-Bari, at the homonym exit. It is crossed in the middle by the state highway SS90.

• Leopoldo Faretra (1908-2001), physician
• Vincenzo Volpe (1855-1929), painter

• (in Italian) Official website
• Grottaminarda on tuttocitta.it