Lipoyl amidotransferase (, LipL (gene)) is an enzyme with systematic name (glycine cleavage system H)-N<sup>6</sup>-lipoyl-L-lysine:(lipoyl-carrier protein)-N<sup>6</sup>-L-lysine lipoyltransferase. This enzyme catalyses the following chemical reaction
In the bacterium Listeria monocytogenes the enzyme takes part in a pathway for scavenging of lipoic acid.