J.L. Ackroyd was a builder, active during the middle of the 19th century, who worked in Coventry, England.
Buildings and structures associated with J. L. Ackroyd include:
- Ryton House, was altered in 1850 by Ackroyd
- Fillongley Hall, 1830, constructed by Ackroyd
- Church of St Paul, Coventry. The west tower, of brick construction, is in its lower two stages from a church constructed in 1841, to designs by J.L Ackroyd. The remainder of the church date to the immediately post war period, as the Ackroyd building was damaged by bombs in night raids on 14 to 15 November 1940.