Schmidlin is a surname. Notable people with the surname include:
Frank K. Schmidlin (1861–1939), Australian X-ray pioneer Fritz Schmidlin, Swiss footballer Johannes Schmidlin (1722–1772), Swiss composer Paolo Schmidlin (born 1964), Italian sculptor Rick Schmidlin (born 1954), American film preservationist and silent film scholar Walter Schmidlin, Swiss footballer
See also Mero-Schmidlin, British construction company