Short form of Joshua, from Hebrew 'Yehoshua' meaning 'Yahweh is salvation.'
Josh is the sun-bleached, easygoing face of Joshua, one of the great biblical names. Joshua derives from the Hebrew Yehoshua, meaning "Yahweh is salvation" — a theological declaration compressed into four letters that most people shorten without a second thought. In the Hebrew scriptures, Joshua was Moses's faithful military successor, the leader who brought the Israelites across the Jordan River into Canaan after forty years in the wilderness.
His story is one of patience, courage, and the fulfillment of ancient promises. As a standalone given name, Josh carries almost none of that epic gravity — and that lightness is its appeal. It sounds like someone who will help you move a couch and make you laugh while doing it.
The name thrived through the 1980s and 1990s as Joshua climbed the popularity charts in English-speaking countries, and Josh became the natural, almost inevitable shorthand. Actor Josh Brolin brought rugged intensity to it; comedian Josh Gad gave it warmth and self-deprecating humor. In American culture, Josh occupies the same reliable, unpretentious register as Matt or Dave.
Interestingly, "to josh" also exists as an English verb meaning to tease or joke lightly, adding an extra layer of folksy personality to the name. Its origin as slang is disputed, but the word's very existence suggests a cultural type — good-natured, not to be taken too seriously — that the name itself embodies perfectly.