Xenophon Pearce Huddy (1876–1943) was an American lawyer, specializing in automobile law.
Huddy graduated from Yale University cum laude, and was admitted to the New York Bar on January 5, 1906, after which he became a senior partner in the law practice of MacHenry, Huddy & Cook with partners Charles Ainsworth MacHenry and Philip R. Cook at 309 Broadway, New York City. By 1906, he was a regular contributor to Horseless Age, and lectured before the Automobile Club of America, among others. In his legal practice, he was known for his opinions on automobile law, and argued pro-motorist cases in court. His 1906 book, The Law Of Automobiles, and writings are considered the first serious legal opinions on the philosophy of automobile law, and were important in informing later legal thinking.
- Xenophon P. Huddy, LL.B. of the New York Bar (1906). The Law Of Automobiles. Albany, N. Y.: Matthew Bender and Co.
- "Equity and Inequity of Corporate Taxation in the United States". Yale Law Journal. v. 14 - 1904-1905. 1905.
- "What a Lawyer Sees Amiss in the Bill". The Automobile. July 14, 1910.
- University, Yale (1916). Catalogue of the Officers and Graduates of Yale University in New Haven, Connecticut. p. 323.
- University, Yale (1901). Catalogue of the officers and graduates of Yale University. p. 524.
- University, Yale (1910). New York supplement By New York (State). Court of Appeals, v. 95 - 1906. Supreme Court, New York (State).
- Lewis Randolph Hamersly; John W. Leonard; William Frederick Mohr; Herman Warren Knox; Frank R. Holmes; Winfield Scott Downs (1907). Who's who in New York (city and state). p. 882.
- The Horseless Age (PDF). 17 (4) http://184.108.40.206/read.php?doc=../Library/Horseless_Age/1906/page_0316.pdf&search=%22xenophon%22. Missing or empty
- "Automobile Notes of Interest". New York Times. January 22, 1906.
- "Progress of New Jersey Test Case". The Horseless Age. v. 21. 1908.
- Clay McShane (1994). Down the Asphalt Path. Columbia University Press. ISBN 0231083912.
- 1926 Senate Judiciary Committee Hearings on National Prohibition Archived June 20, 2010, at the Wayback Machine.