Sergei Valeryevich Ivanov () (born 5 March 1975 in Chuvashia, Soviet Union) is a former professional road bicycle racer, who competed between 1996 and 2011. Ivanov had been a member of six different teams, competing for CSKA Lada–Samara, TVM–Farm Frites, Fassa Bortolo, T-Mobile Team, and . In this time he completed in five Grand Tours, and also won six national championship titles. He also won the Tour de Pologne 1998. He now lives in Bekkevoort, Belgium. Major results 1995 1st Overall Tour de Hongrie 1st Overall Vuelta Ciclista a Navarra 1996 2nd Overall Tour de l'Avenir 1st Points classification 1st Mountain classification 1st Stages 5 & 10 3rd Overall Course de la Paix 3rd Route Adélie de Vitré 4th Overall Tour de Normandie 1997 6th Brussels–Ingooigem 9th Tour de Berne 10th Overall Circuit Cycliste Sarthe – Pays de la Loire 1998 1st Road race, National Road Championships 1st Overall Tour de Pologne 1st Stages 5 & 8 1st Brussels–Ingooigem 2nd GP du canton d'Argovie 7th Overall Circuit Cycliste Sarthe – Pays de la Loire 9th Overall GP Tell 1999 1st Road race, National Road Championships 1st Druivenkoers Overijse 2nd Overall Tour de Langkawi 2nd La Côte Picarde 3rd GP Ouest–France 4th Rund um den Henninger Turm 10th Overall Circuit Cycliste Sarthe – Pays de la Loire 1st Stage 2 2000 1st Road race, National Road Championships 1st E3 Prijs Vlaanderen 3rd Overall KBC Driedaagse van De Panne-Koksijde 3rd Overall Tour de Pologne 1st Stages 6 & 7 4th Overall Tour de Luxembourg 5th Milan–San Remo 7th Paris–Camembert 2001 1st Stage 9 Tour de France 1st Stage 5 Tour de Suisse 1st Stage 4 Giro della Liguria 3rd Trofeo Pantalica 9th Overall Tour de Luxembourg 9th Kuurne–Brussels–Kuurne 2002 1st Trofeo Luis Puig 2nd Amstel Gold Race 3rd Rund um den Henninger Turm 7th Overall Ronde van Nederland 1st Stage 5 10th GP du Midi-Libre 2003 1st Stage 5 Tour de Luxembourg 1st Stage 6 TTT Tour Méditerranéen 3rd GP du canton d'Argovie 4th Coppa Bernocchi 7th Tour of Flanders 10th Paris–Roubaix 10th Rund um den Henninger Turm 2004 8th Amstel Gold Race 2005 1st Road race, National Road Championships 1st Stage 4 Tour of Britain 9th Tour of Flanders 10th Eneco Tour 2006 8th GP Ouest–France 9th La Flèche Wallonne 10th Amstel Gold Race 2008 1st National Road Race Championships 1st Overall Tour de Wallonie 3rd Overall Driedaagse van West-Vlaanderen 3rd