Adelbert is a masculine given name of Germanic origin, composed of the Old High German elements adal (“noble”) and beraht (“bright”), suggesting a legacy of dignified clarity. In English it is pronounced AD-əl-burt (/ˈædəlbɜrt/), while the German and Dutch form, AH-dəl-bert (/ˈaːdəlbɛrt/), preserves its continental resonance. The name experienced its greatest U.S. popularity in the early twentieth century—peaking around rank 286 in 1911—before gradually receding to the 700–800 range by the mid-1990s. Today, Adelbert offers a vintage, stately charm that appeals to parents seeking a distinctive choice grounded in history. Its balanced sound and meaningful roots convey a sense of enduring strength without feeling overly ornate.
| Adelbert Ames was a Union Army general, U.S. senator and governor of Mississippi during Reconstruction. |
| Adelbert von Chamisso was a German poet, writer and botanist also known as Adelbert de Chamisso de Boncourt. |
| Adelbert Van de Walle was a Flemish-Belgian architect, art historian and professor at Ghent University. |
| Adelbert Wellington Brownlow-Cust, 3rd Earl Brownlow, was a British soldier, courtier and Conservative politician. |
| Adelbert Waldron was a United States Army sniper who held the record for the most confirmed kills by an American sniper until 2011. |
| Adelbert S. Atherton was an American politician and merchant from Chicopee who was elected to the Massachusetts House of Representatives in 1903. |
| Adelbert Delbrück - Gottlieb Adelbert Delbruck was a German banker and businessman. |
| Adelbert J. McCormick was a New York merchant and politician. |
| Adelbert Bryan is a U.S. Virgin Islands politician and former senator. |