Companies

• Reinert (Company), sausage making company in Versmold, Germany founded 1931, owned by the family

Reinert is a surname. Notable people with the surname include:

• Al Reinert (1947–2018), American journalist and film producer
• Alexander A. Reinert, professor of law
• Bianca Reinert (c.1966–2018), Brazilian ornithologist
• Emil-Edwin Reinert (1903–1953), French film director and screenwriter
• Emmanuel Reinert
• Erik S. Reinert (born 1949), Norwegian economist
• Ernst-Wilhelm Reinert (1919–2007), German military aviator
• Gesine Reinert, statistician at Oxford
• Johan Reinert Reiersen (1810–1864), Norwegian-American writer
• Katrin Reinert (born 1988), German rower
• Paul C. Reinert (1910–2001), president of Saint Louis University
• Rick Reinert (1925–2018), American animator
• Robert Reinert (1872–1928), German film director and screenwriter
• Roger Reinert (born 1970), American politician
• Sean Reinert (1971–2020), American drummer
• Sebastian Reinert (born 1987), German footballer
• Susan Reinert (died 1979), American murder victim