Wyn is a Welsh surname and given name. Notable people with the name include:

IGGY ROCA&WYN JOHNSONA Course in Phonology, Oxfor...
Microwave filters, impedance-matching networks, and coupling structures
Updated Worldwide Survey on the Methods, Efficacy, and Safety of Catheter Ablation for Human Atrial Fibrillation
Fibroblast Growth Factor Receptor 3 Is a Negative Regulator of Bone Growth
Atrial fibrillation management: a prospective survey in ESC Member Countries
JNK1 in hematopoietically derived cells contributes to diet-induced inflammation and insulin resistance without affecting obesity.
Murine FGFR-1 is required for early postimplantation growth and axial organization.
Proliferative defect and embryonic lethality in mice homozygous for a deletion in the p110alpha subunit of phosphoinositide 3-kinase.
Changes in mitochondrial DNA as a marker of nucleoside toxicity in HIV-infected patients.
Ataxia telangiectasia mutant protein activates c-Abl tyrosine kinase in response to ionizing radiation