Short form of Randolph, from Old English 'rand' meaning shield or rim.
Rand is a name with roots in the ancient Germanic and Old English naming tradition, functioning historically as a short form of names like Randolph and Randall, both derived from the elements "ragin" (counsel) and "wulf" (wolf) — the counsel-wolf, an archetype of wisdom combined with fierce instinct. In medieval England, Randolf was a name of considerable social currency, borne by barons and bishops, and Rand emerged as the natural clipped form used in everyday address, eventually taking on independent life as a given name. The name carries unmistakable modern cultural weight through Ayn Rand, the Russian-American philosopher and novelist born Alisa Zinovyevna Rosenbaum, who adopted "Rand" as part of her pen name in the late 1920s before emigrating to the United States.
Her novels "The Fountainhead" (1943) and "Atlas Shrugged" (1957) made her one of the 20th century's most widely read and debated authors, and her philosophy of Objectivism ensures the name Rand appears frequently in discussions of individualism, capitalism, and American political thought. The Kentucky senator Rand Paul, named in partial homage to her, further cemented the name's libertarian-leaning cultural associations. As a given name for children, Rand sits in an interesting position: it is strong and monosyllabic, projects confidence, and resists obvious nicknames.
It has never achieved mass popularity, which suits many parents precisely — it feels deliberate and literary without being obscure. Its South African currency connection (the rand) adds yet another layer of global resonance.