Walch is a surname. Notable people with the surname include:
- Clemens Walch (born 1987), Austrian footballer
- Christian Wilhelm Franz Walch (1726–1784), German theologian
- Ernst Walch (born 1956), Liechtenstein diplomat
- Garnet Walch (1843–1913), Australian writer
- Hynden Walch, American actress
- Johann Ernst Immanuel Walch (1725–1778), German theologian
- Johann Georg Walch (1693–1775), German theologian
- Johann Heinrich Walch (1776–1855), German conductor and composer
- Megan Walch (born 1967), Australian artist
Other
edit- Walch Firearms & Co., a firearms manufacturer who created the Walch Revolver