David Sigachev (Russian: Дави́д Сигачёв, IPA: [dɐˈvʲɪt sʲɪgəˈtɕɵf], also transliterated Sigacev, born 6 January 1989 in Moscow) is a Russian former race car driver who was based in Germany.

Sigachev started his racing career from karting. He made the move into single-seaters in 2007, with a campaign in the inaugural Formula Renault 2.0 Northern European Cup. Driving for SL Formula Racing, he finished twenty-first in the standings. He also took part in two Eurocup Formula Renault 2.0 races with the same team, failing to score a point. Sigachev missed the entire 2008 season due to sponsorship problems. In 2009 he moved to Porsche Supercup category with tolimit Seyffarth Motorsport.

† - As Sigachev was a guest driver, he was ineligible to score points.

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

(key) (Races in bold indicate pole position; races in italics indicate fastest lap)

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)