Lachenal may refer to: Adrien Lachenal (1849–1918), Swiss politician Edmond Lachenal (1855-1948), French potter Marie Lachenal (1848-1937), English concertina performer Louis Lachenal (1921–1955), French climber Raoul Lachenal (1885-1956), French potter Paul Lachenal (1884-1955), Swiss politician François Lachenal (1918-1997) Swiss publisher and diplomat Lachenal & Co., British concertina manufacturer founded by Louis L. Lachenal around 1850