Andrew Onderdonk was an American construction contractor who worked on several major projects in the West, including the San Francisco seawall in California and the Canadian Pacific Railway in British Columbia. He was born in New York City to an established ethnic Dutch family. He received his education at the Rensselaer Polytechnic Institute.

The Canadian Pacific Railway, also known simply as CPR or Canadian Pacific and formerly as CP Rail (1968–1996), was a Canadian Class I railway incorporated in 1881. The railway was owned by Canadian Pacific Railway Limited, which began operations as legal owner in a corporate restructuring in 2001.