In 1616, these units—along with fänikor from the nearby Kronoberg County—were organised by Gustav II Adolf into Smålands storregemente, of which twelve of the total 24 companies were recruited in Kalmar County.

Kalmar Regiment was reorganised in 1994 as a local defence district with the designation Fo 18, although disbanded again just three years later in 1997.

[2] The colour was presented in Kalmar by the Chief of the Army, lieutenant general Åke Sagrén on 10 October 1992.

[3] The colour is drawn by Bengt Olof Kälde and embroidered by machine and hand in insertion technique by Gunilla Hjort.

On a yellow border at the upper side of the colour, battle honours (Varberg 1565, Narva 1581, Warszawa 1656, Tåget över Bält 1658, Kliszow 1702, Helsingborg 1710, Svensksund 1790) in red.

II and III azure, the provincial badge of Öland, a stag passant or, gorged with a necklace and armed, both gules.

[6] The original regiment had "Kalmar regementets marsch" (Meissner) and "Kaiser Friedrich-Marsch" (Friedemann) as their marches.