Reiner, a masculine given name rooted in Old High German, derives from the elements ragin (“counsel”) and hari (“army”), formally evoking the figure of a dux whose consilium guides a legion. In its German articulation—RY-nur (/ˈraɪnər/)—the name resonates with the stony banks of the Rhine, a toponymic echo that situates it within Europa’s mythic-geographical tapestry. An examination of United States birth records shows Reiner holding a modest yet consistent place in the charts—oscillating between ranks 646 and 917 since the 1970s and accounting for 32 newborns (rank 892) in 2024—reflecting a contemporary revival of heritage names that balance antiquity with individuation. By uniting medieval fortitudo and judicium with present-day refinement, Reiner offers parents a choice that bridges historical gravitas and modern singularity.
| Reiner Grundmann is a German sociologist and political scientist who teaches science and technology studies at the University of Nottingham. |
| Reiner Haseloff is a German politician who served as Minister-President of Saxony-Anhalt from 2011 to 2026. |
| Reiner Fuellmich is a German former lawyer known for his role as spokesman for the Corona Investigative Committee. |
| Reiner Schürmann - Reiner Schurmann was a German philosopher and New School professor known for challenging the foundations of philosophy and politics. |
| Reiner Michalke is a German artistic director known for leading Stadtgarten, the Moers Festival and the Monheim Triennale. |
| Reiner Eberhard Moritz is a German film director and producer. |
| Reiner Braun is a German journalist, historian and peace activist who serves as executive director of the International Peace Bureau. |
| Reiner Scholl is a West German sprint canoeist who won gold, silver and bronze medals at the ICF Canoe Sprint World Championships in the 1980s. |
| Reiner Modest is a Danish rower who competed in the men's quadruple sculls at the 1980 Summer Olympics. |