A bed frame connector is connectable between upper and lower lateral bars of a foldable bed frame. The bed frame connector includes an L-shaped plate structure that includes a straight body and an angled section extending outward from an end of the straight body. A pivot hole is formed in an end of the straight body and the angled section. The straight body includes two support blocks that project from an edge thereof intersecting the angled section. The two support blocks are positionable between and respectively abutting the upper and lower lateral bars. The present invention has a simple structure and a reduced manufacturing cost and provides secure support and smooth foldability.