Gaildorf is a town in the district of Schwäbisch Hall, in Baden-Württemberg, Germany. It is located on the river Kocher, 13 km south of Schwäbisch Hall. Gaildorf is the approximate center of the Limpurger Land district, formerly a county of the Holy Roman Empire ruled by the counts Schenk von Limpurg until their extinction in 1713, thereafter inherited by a number of female heirs, and mediatized to the Kingdom of Württemberg in 1806.

• Friedrich Kausler [de] (1806–1883), member of Landtag
• Philipp Heinrich Hasenmeyer [de] (1700-1783), organ-maker
• Emil Walther [de] (1807–1857), Württembergian city councilman
• Theobald Kerner [de] (1817–1907), doctor and poet (son of Justinus Kerner)
• Karl Reibel [de] (1824–1895), merchant and member of landtag
• Wilhelm August von Breitling (1835–1914), prime minister of Württemberg
• Karl Nicolai [de] (1839–1892), Schultheiß and politician
• Richard Blezinger [de] (1847–1928), pharmacist and fossil-collector in Crailsheim
• Reinhold Kißling [de] (born 1926), agriculturalist
• Horst Hübner [de] (1936–2009), writer
• Stefan Heucke [de] (born 1959), composer
• Hartmut Holzwarth [de] (born 1969), politician (CDU)
• Hermann Frasch (1851–1914), mining engineer

Naturstromspeicher Gaildorf, a combination of wind park and pumped-storage hydroelectric power plant. Three of the wind turbines were from 2017 to 2019 the tallest in the world.