Saint-Léonard (French pronunciation: [sɛ̃ leɔnaʁ] ; West Flemish: Hokinghem) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

Saint-Léonard is a farming and light industrial town, situated some 2 miles (3.2 km) south of Boulogne, at the junction of the D901 and D940 roads. The A16 autoroute forms the eastern border of the commune and the river Liane the western.

Historical population

Year	Pop.	±% p.a.
1968	1,547	—
1975	3,929	+14.24%
1982	4,021	+0.33%
1990	4,131	+0.34%
1999	3,952	−0.49%
2007	3,628	−1.06%
2012	3,616	−0.07%
2017	3,452	−0.92%
Source: INSEE

• The church of St.Léonard, dating from the twelfth century and now a historical monument.
• The modern church of St. Therése
• The Château de Pont-de-Briques, (dating from the seventeenth century), a registered monument.
• The nineteenth century Château Neuf.
• Château des Lions (also known as Château Muhlberg), a château from the nineteenth century, now an orphanage

• Communes of the Pas-de-Calais department

• Official website of the commune of Saint-Léonard (in French)