Significant positive associations with thyroid cancer were found for GLP‐1 receptor agonists: semaglutide (ROR = 7.61, 95% CI: 6.37–9.08), dulaglutide (ROR = 3.59, 95% CI: 3.03–4.27), liraglutide (ROR = 15.59, 95% CI: 13.94–17.44) and tirzepatide (ROR = 2.09, 95% CI: 1.51–2.89). This evidence concerns the gene GLP1R and thyroid cancer.