In botany:

• Eryngium pinnatifidum, a plant from Western Australia

In military history:

• The Fighting Blue Devils, nickname of the 88th Infantry Division (United States) of the United States Army in World War I and World War II
• Blue Devils (French: "les Diables Bleus"), nickname of the Chasseurs Alpins, the elite mountain infantry of the French Army
• Blue Devils (aerobatic team), nickname of the 410 (F) Squadron Aerobatic Team, a Canadian military aerobatic team from 1949-1950

In music:

• The Oklahoma City Blue Devils, a legendary territory jazz band based in Oklahoma, led by Walter Page
• The Blue Devils Drum and Bugle Corps, a modern World Class drum and bugle corps from Concord, California

In sports:

• Duke Blue Devils, athletic teams from Duke University in Durham, North Carolina
• CCSU Blue Devils, athletic teams from Central Connecticut State University
• Dillard Blue Devils, athletic teams from Dillard University
• Fredonia State Blue Devils, athletic teams from the State University of New York at Fredonia
• Lawrence Tech Blue Devils, athletic teams from Lawrence Technological University
• UW-Stout Blue Devils, athletic team from the University of Wisconsin-Stout
• Belconnen Blue Devils, a football (soccer) team that formerly played in the New South Wales Premier League (Australia)
• Hamburg Blue Devils, an American football team that plays in the German Football League
• Davis Senior High School athletic teams (Davis CA)

In symbolism:

• The adjective blue has been associated with despondency and sadness since the 16th century. The noun the blues has been with us since 1741. The blues is a shortening of blue devils, demons popularly thought to cause depression and sadness. Blue devils have been around since 1616.

Related names

• Blue Demons, athletic teams from Depaul University