Beiguornis is a genus of bohaiornithid dinosaurs from the Early Cretaceous Longjiang Formation of Inner Mongolia, China.

The genus contains a single species, Beiguornis khinganensis.

Beiguornis is the first and only enantiornithine known from the Longjiang Formation.

In the phylogenetic analysis conducted by the describing authors, Beiguornis formed a monophyletic group with the bohaiornithids Sulcavis and Zhouornis.

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