Saint-Martin-du-Vivier (French pronunciation: [sɛ̃ maʁtɛ̃ dy vivje]) is a commune in the Seine-Maritime department in the Normandy region in northern France.

A farming village situated just 4 miles (6.4 km) northeast of the centre of Rouen at the junction of the D47 and the D443 roads. SNCF operates a TER railway service here.

The arms of Saint-Martin-du-Vivier are blazoned : Per fess Or and gules, an oak twig with an acorn and leaf vert bendwise and a sprig of holly vert fructed gules bendwise sinister, the two in crossed in saltire, and a mill wheel issuant from a fess abased wavy argent.

Historical population

Year	Pop.	±% p.a.
1968	569	—
1975	920	+7.11%
1982	1,369	+5.84%
1990	1,445	+0.68%
1999	1,484	+0.30%
2007	1,784	+2.33%
2012	1,713	−0.81%
2017	1,629	−1.00%
Source: INSEE

• The church of St. Martin, dating from the nineteenth century.
• An ancient cedar tree, said to be over 200 years old.
• The eighteenth-century manorhouse at Mesnil-Grémichon.
• The chateau and chapel of Mont-Perreux.

• Communes of the Seine-Maritime department