Dennis Smith (September 9, 1940 – January 21, 2022) was an American firefighter and author. He was the author of 16 books, most notable of which is the memoir Report from Engine Co. 82, a chronicle of his career as a firefighter with the New York City Fire Department in a South Bronx firehouse from the late 1960s and into the 1970s. Smith served for 18 years as a New York City firefighter, from 1963 to 1981, and is the most well-known advocate for firefighters in the United States. After 9/11, he chronicled the 57 days he spent in rescue and recovery operations at the World Trade Center collapse in a bestselling book, Report from Ground Zero.