| John Harlow | |
| Birth Date: | 19 August 1896 |
| Birth Place: | Ross-on-Wye, Herefordshire, England |
| Death Date: | 1977 (aged 80 or 81) |
| Death Place: | London, England |
| Occupation: | Film director |
| Years Active: | 1933 - 1954 |
John Harlow (19 August 1896 - 1977) was an English film director, active from the 1930s to the 1950s. Harlow worked for smaller studios, mainly in crime/thriller genre potboilers, with his better known films including Candles at Nine (1944), the Sexton Blake thrillers Meet Sexton Blake and The Echo Murders (both 1945), Appointment with Crime (1946) and the 1947 reincarnation drama While I Live. He also directed two late entries in the popular, if critically unappreciated, Old Mother Riley series.