Kalba (Arabic: كلباء‎) is a city in the United Arab Emirates. It is an exclave of the emirate of Sharjah, Kalba is north of Oman and south of the emirate of Fujairah. Khor Kalba (Kalba Creek), a mangrove swamp, is located further south of the town. The town was captured by the Portuguese Empire in the 16th century and was referred to as Chalba^{[citation needed]}.

Khor Kalba is accessible by three roads. The first merges after Wadi al-Haloo (وادي الحلو) tunnel with Maliha Road (شارع مليحة) which finally leads to the Sharjah-Kalba Road (90 km) from Sharjah International Airport. There is also the Fujairah-Kalba road (8 km). The Khor Kalba road extends until the border with Oman, and is one of the exit–entry points between UAE and Oman.

The key tribe that live in Kalba is al-Zaabi.

De facto independence of Kalba from Sharjah in 1903. Britain recognized Kalba on 1936-12-08.

Re-incorporated into Sharjah in 1952