| Birth Date: | 1 April 1916 |
| Birth Place: | Utrecht, Netherlands |
| Sport: | Water polo |
Alexander "Lex" Franken (born 1 April 1916, date of death unknown) was a Dutch water polo player who competed in the 1936 Summer Olympics. Born in Utrecht, he was part of the Dutch team which finished fifth in the 1936 tournament. He played all seven matches.[1]