To provide a lumber conveying device having a simplified structure and capable of reducing the manufacturing cost and the maintenance cost.

The lumber conveying device has a holding means 8 for individually holding at least two portions separated from each other in the longitudinal direction of a lumber 2. The holding means 8 has a pair of bar-like holding members 13, 13 which are arranged at a spacing capable of inserting the lumber 2 from the direction orthogonal to its longitudinal direction and parallel to each other. The pair of holding members 13, 13 are integrally turned around the axis Y parallel to the holding members 13, 13.