A dying church does not always look empty. Sometimes it still has programs, budgets, buildings, and weekly services — yet its spiritual life is fading. This biblical article examines the warning signs of a church in decline, from prayerlessness and weak preaching to inward focus, tolerated sin, and the loss of love for Christ. More than a diagnosis, it offers a hopeful call to renewal through Scripture, repentance, gospel faithfulness, and renewed dependence on Jesus.