Conrad II of Luxembourg (died 1136) was count of Luxembourg (1131–1136), in succession to his father William I of Luxembourg. His mother was Mathilde or Luitgarde of Northeim.
He married Ermengarde, daughter of count Otto II of Zutphen. Conrad II died without a male heir, and so the county of Luxembourg reverted to the Holy Roman Emperor. The emperor in turn did not wish the county to be rule by Conrad's closest relative Henri de Grandpré, who was a French lord and so might align the county with the kingdom of France, and so granted it to Henry of Namur, a cousin of Conrad's.
| Preceded by William I |
count of Luxembourg 1131–1136 |
Succeeded by Henry IV |
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