The Canadian Association of Neuropathologists - Association canadienne des neuropathologistes (CANP-ACNP) held their 63rd annual meeting at the McGill Faculty Club and The Montreal Neurological Institute in Montreal, QC, from October 18th to 21st, 2023, under the leadership of Dr. Robert Hammond, President of the CANP-ACNP, Dr. Peter Schutz, Secretary Treasurer of the CANP-ACNP, and with technical support from CANP administrator Colleen Fifield. The academic program comprised 18 scientific abstracts, 14 unknown cases, a mini-symposium on molecular testing of brain tumours in Canada, and the Presidential symposium on Pediatric Neuropathology. Digital pathology images from the 14 unknown cases are available for viewing online (www.canp.ca). The unknown case sessions were moderated by Dr. Peter Schutz. The Presidential Symposium 2023 on Pediatric Neuropathology featured the Gordon Mathieson Lecture given by Dr. M. Del Bigio on in-utero infections and their effects on the developing brain, and the David Robertson Lecture given by Dr. D. van Essen entitled Models and Mechanisms of Cerebral Cortical Expansion and Folding. The program was completed by three invited presentations with Dr. M. Oskoui presenting on the epidemiology of cerebral palsy in Canada, Dr. P. Ballabh presenting on Cerebral Gray Matter Injuries in Infants with Intraventricular Hemorrhage, and Dr. W. Foulkes presenting on CNS Manifestations of Dicer-1 Tumour Predisposition Syndrome. The Mary Tom Award for best clinical science presentation by a trainee went to Dr. K. C. Martin (Supervisor Dr. S. Yip), and the Morrison H. Finlayson Award for best basic science presentation by a trainee was won by Dr. R. Cotau (Supervisor Dr. M. Richer). The following abstracts were presented at the 63rd annual meeting of the Canadian Association of Neuropathologists - Association candienne des neuropathologistes (CANP-ACNP) in October 2023.