John Ravenscroft may refer to:
- John Ravenscroft (engineer), engineer and engine designer for British manufacturer TVR
- John Ravenscroft (horticulturalist), prominent British plantsman and horticultural expert
- John Ravenscroft (composer) (died c. 1708), an English violinist and composer (de)
- John Robert Parker Ravenscroft, English radio broadcaster known as John Peel
- John Ravenscroft (bishop) (1772-1830), American bishop of the Episcopal Church