If your name is Dennis, then you're in some great company. Here's our list of the most famous people named Dennis or Denny, including photos when available. How many celebrities named Dennis can you think of? The famous Dennises below have many different professions, as this list includes notable actors named Dennis, athletes named Dennis, and even political figures named Dennis. The music industry is no stranger to the name Denny, and the same can be said for Hollywood and show business in general.There sure are a lot of famous people named Dennis. This list includes NBA legend Dennis Rodman, who made his fame with the Chicago Bulls alongside Michael Jordan. Others include famous actors like Dennis Quaid, Dennis Hopper and Dennis Miller. To read more about these notable people named Dennis, click the corresponding row of who you want to learn more about, and additional information will appear.