Reinier

Reinier is a masculine name of Germanic origin, derived from 'Rayner' or 'Rainer,' which combines the elements 'ragin' (counsel) and 'heri' (army), meaning 'wise army' or 'judgment warrior.' Popular in the Netherlands and other Dutch-speaking regions, it also appears in variations across Germanic and Scandinavian countries. Historically associated with nobility, including Reinier of Trit, a knight of the Fourth Crusade. While not widely used in English-speaking countries, the name maintains steady popularity in its regions of origin. Reinier conveys strength, wisdom, and leadership qualities, appealing to parents seeking a traditional yet distinctive name with historical depth.

Pronounced RAY-neer.

As of October 2026, Reinier ranked #13456 in US births in 2025 SSA, peaked at #8235 in 1992.