Elevated Kinesin Family Member 14 (KIF14) expression in breast cancer (BC) is correlated with poor prognosis, but its role in TNBC remains unclear.<h4>Methods</h4>KIF14 expression was analyzed using TCGA, TIMER, and GEO databases, and its association with prognosis was assessed via Kaplan‒Meier plotter. This evidence concerns the gene KIF14 and breast cancer.