From Germanic 'arn' (eagle) + 'wald' (power), meaning 'eagle power.'
Arnold is a name of old Germanic strength, formed from elements commonly understood as arn, "eagle," and wald, "power," "rule," or "authority." The eagle was a potent emblem in early European symbolism, associated with vision, dominance, and martial nobility, so Arnold carries an ancient sense of commanding force. Variants spread widely across medieval Europe, especially in Germanic and Norman contexts, and the name took firm root in England after the Norman period.
Medieval saints and nobles helped preserve Arnold's prestige, including Saint Arnold of Soissons and Saint Arnulf of Metz, the latter linked to a closely related form. In English history and literature, the name later acquired varied associations through figures such as the Victorian poet and critic Matthew Arnold and the American traitor Benedict Arnold, whose surname made "Arnold" familiar even apart from the given name. In the modern era, Arnold Schwarzenegger gave the name a global image of physical power, ambition, and reinvention, while composer Arnold Schoenberg connected it to radical artistic modernism.
Usage has shifted markedly over time. Arnold was once a respectable, fairly common masculine name in Britain and America, especially in the late nineteenth and early twentieth centuries. Later it began to sound more old-world and formal, then somewhat dated.
Still, it remains memorable because it is so symbolically charged. In popular culture it can seem stern, comic, or imposing, but its older structure is noble rather than blunt. The name carries the atmosphere of heraldry and empire, yet it has also been worn by artists, athletes, politicians, and immigrants remaking themselves, which gives it more complexity than its tough exterior first suggests.