Lyall is an English given name.
The surname "Lyall" is found early in Scotland and was derived from the Old Norse given name "Liulfr" meaning Wolf.
Lyall Bay is a bay and a suburb on the south side of the Rongotai isthmus in Wellington, New Zealand.
Lyell is a surname of Scotland traced to Radulphus de Insula, 11th-century Lord of Duchal.
Mount Lyall is located on the border of Alberta and British Columbia on the Continental Divide.