Terrill \t(e)-rri-ll\ as a boy's name (also used as girl's name Terrill), is a variant of Terrell and Thorald (Old Norse), and the meaning of Terrill is "follower of Thor".

The baby name Terrill sounds like Derrill, Terryll and Terrall. Other similar baby names are Ferrill, Jerrill, Merrill and Verrill.