<!-- Wikipedia sounds more sophisticated in French, but it's still user-generated, so not a reliable source. -->
thumb|Clément camionnette (1902)
thumb|Cooperation between [[Adler (cars and motorcycle)|Adler and Clément-Bayard (1905)]]
Clément-Bayard, also known as Bayard-Clément, was a French manufacturer of automobiles, aeroplanes and airships founded in 1903 by entrepreneur Gustave Adolphe Clément. however it was never built. Adolphe Clément also built Alberto Santos-Dumont's Demoiselle No 19 monoplane that he had designed to compete for the Coupe d'Aviation Ernest Archdeacon prize from the Aéro-Club de France. It was the world's first series production aircraft and by 1909 Clement-Bayard had the license to manufacture Wright engines alongside their own design.
- Clément-Bayard 24 CV
- Clément-Bayard 30 CV
- Clément-Bayard 35/45 CV
- Clément-Bayard 60 CV
Models : 1904, 1907, 1909, 1910
<gallery>
File:Bayard 1904 (15506358679).jpg|Bayard, 1904
File:Clément-Bayard 1907.JPG|Clément-Bayard (Perret) 4C-4A, 1907
File:Clément-Bayard Perret 4C-4A 1907 1.JPG|Clément-Bayard (Perret) 4C-4A, 1907
File:Clement Bayard 1908.jpg|A Clément-Bayard at the 1908 National Exposition, in Rio de Janeiro, Brazil
File:Clément-Bayard 1909.JPG|Clément-Bayard, 1909
File:Clément-Bayard 1910.JPG|Clément-Bayard, 1910
</gallery>
Motor racing
thumb|right|230px|Albert Clément driving a Clément-Bayard at the French Grand Prix 1906
Clément-Bayard started building automobiles in 1903 and then started building racing cars in 1904. The racing team included Albert Clément, Jacques Guders, Rene Hanriot, Marc-Philippe Villemain, 'Carlès', "De la Touloubre" and A. Villemain, and Pierre Garcets.
Albert Clément won the II Circuit des Ardennes des Voiturettes on 24 July 1904 at Bastogne. He completed the 5 lap 240.010 km race in 4h 26m 52.6seconds at an average speed of 53.91 km/h in an 18Hp Clement -(Bayard?) (car no 5). He also set the fastest lap of the race at 45minutes 02seconds (63.89 km/h).
At the 1905 Vanderbilt cup on Long Island Clément drove an 80 hp Clément-Bayard (France #12) but suffered reliability problems. and Victor Rigal finished 4th. Fernand Gabriel came 12th and Lucien Hautvast with riding mechanic Jean Chassagne retired.
Other events
In 1905 Clément-Bayard won the Coupe de Calais and 'finished well' at the Course de Dourdan. In both 1907 and 1908 Clément Bayard won the Coupe de l’Automobile-Club de Cannes, and in 1908 it also won the Tour de France Automobile.