Coombes is a small village and civil parish in the Adur District of West Sussex, England. The village is in the Adur Valley northwest of Shoreham-by-Sea.
Coombes Church is an 11th-century Church of England parish church that has lost its dedication. It has some of the most important medieval wall paintings in England, which were painted . There is a single church bell that weighs about and was probably cast in Normandy. It is one of the oldest bells in Sussex, dated to . The church is roofed with Horsham Stone slabs.
The civil parish has an area of and has a parish meeting rather than a parish council. The 2001 Census recorded a population of 51 people living in 22 households of whom 23 were economically active.
Church Farm is next to the parish church and Applesham Farm is about to the south.