Regiment Infanterie Oranje Gelderland
| 45 Painfbat RIOG | |
|---|---|
| Active | 1722 - present (with disruptions) |
| Country |
 Netherlands |
| Allegiance | 43 Gemechaniseerde Brigade |
| Branch | Royal Netherlands Army |
| Type | Mechanized Infantry |
| Size | 1 battalion |
| Garrison/HQ | Ermelo |
| Motto |
Waakzaam en Stoutmoedig (Vigilant and Bold) |
| March | Le Courageux |
| Mascot |
A-cie: Crocodile B-cie: Lion C-cie: Rooster Staff: Peacock |
| Anniversaries | 2nd day of Easter |
| Equipment | CV90-35NL |
| Decorations | Zilveren Kruis (commemorative medal for participation 1815-campaign) |
| Battle honours |
Quatre Bras 1815 Waterloo 1815 Citadel van Antwerpen 1832 Grebbeberg 1940 Java 1946-1949 West-Java 1946-1949 Nieuw-Guinea 1962 |
| Commanders | |
| Current commander | Lt.col. Ludy Schmidt |
| Notable commanders | William IV, Prince of Orange |
The Regiment Infanterie Oranje Gelderland is a mechanized infantry regiment of the Royal Netherlands Army. Re-established in 2006 it forms the mechanized infantry battalion 45 Painfbat RIOG. It operates the newly acquired CV90 Infantry fighting vehicle.