Arlo Adolph Brunsberg (born August 15, 1940) is an American former professional baseball player. A catcher born in Fertile, Minnesota, he appeared in two games in Major League Baseball for the Detroit Tigers in , and forged a nine season (1962–1970) pro career. He batted left-handed, threw right-handed, and was listed as tall and . He signed with Detroit after graduating from Concordia College (Moorhead, Minnesota), where he starred in baseball, football and basketball.
Brunsberg's MLB "cup of coffee" occurred at the end of his fifth season in the Tiger farm system. In his second and last big-league game, on the closing day of the Tigers' 1966 campaign, he registered his only hit in the majors, a double off eventual Baseball Hall of Famer Catfish Hunter.
After his playing career, Brunsberg spent three years, 1971–1973, as head baseball coach at North Dakota State University, then three decades as a teacher and high school baseball coach in Blaine, Minnesota.