Johann Georg Walch (17 June 1693 – 13 January 1775) was a German Lutheran theologian.

He published in 1716 a work, Historia critica Latinae linguae, which soon came into wide use.

[1] His theological position was that of moderate orthodoxy, greatly influenced by the philosophy and controversies of the Deistic period.

(1740–1752); Historische und theologische Einleitung in die religiösen Streitigkeiten, welche sonderlich ausser der evangelische-lutherischen Kirche entstanden (5 vols., 1733 ff.

[1] His sons, Johann Ernst Immanuel and Christian Wilhelm Franz Walch were also noted theologians.