| Country: | England |
| Coordinates: | 50.7955°N -0.7555°W |
| Official Name: | South Mundham |
| Civil Parish: | North Mundham |
| Shire District: | Chichester |
| Shire County: | West Sussex |
| Region: | South East England |
| Constituency Westminster: | Chichester |
| Os Grid Reference: | SU878002 |
South Mundham is a hamlet in the Chichester district of West Sussex, England.[1] It lies in isolated countryside to the north of Pagham Harbour 1.2 miles (2 km) south of North Mundham, its larger neighbour.