The 1979 Horsham District Council election took place on 3 May 1979 to elect members of Horsham District Council in England. It was held on the same day as other local elections and the 1979 United Kingdom general election. The Conservatives retained control of the council with 33 seats, a majority of 12. The Independents had eight councillors elected, a decrease of three from last time. The Liberals gained a seat in Bramber & Upper Beeding and the Residents' association held on to their Henfield seat.
Prior to the election, the composition of the council was:
After the election, the composition of the council was:
Fowler S. was elected unopposed in Cowfold as an Independent in 1976, when this seat was last contested.
Corp G. was elected in Henfield as a Conservative in 1976, when this seat was last contested.
Keen D. was elected unopposed in Shipley as an Independent in 1976.
Charman M. Ms. was elected unopposed as an Independent in 1976, when this seat was last contested.