Gerard II of Isenburg-Kempenich (German: Gerhard II. von Isenburg-Kempenich) was the co-Lord of Isenburg-Kempenich from 1329 until 1330. Gerard II was a grandson of Gerard I through an unnamed son. After the death of his uncle, Theodoric IV, in 1329 he became the ruler of half the Lordship of Kempenich through the influence of Archbishop of Trier, Baldwin of Luxembourg, with his cousins and Theodoric's sons Simon I and Theodoric V. In 1330 Simon made himself the sole ruler of Kempenich, sparking a succession war in which Gerard brought in his allies, the Counts and Lords of Landskron, Rheineck, Schönberg, Eich, Ölbruck and the Archbishop, forming the "Red Sleeves". Simon and Theodoric also brought in their allies, and formed the "White Sleeves"