| Aleksander Sopliński | |
| Nationality: | Polish |
| Office: | Member of the Sejm |
| Term Start: | 19 October 2005 |
| Term End: | 7 November 2011 |
| Constituency: | 16 – Płock |
| Party: | Polish People's Party |
| Birth Date: | 25 March 1942 |
| Birth Place: | Ciechanów |
Aleksander Sopliński (25 March 1942 – 20 April 2021[1]) was a Polish politician. He was elected to the Sejm on 25 September 2005, getting 2,589 votes in 16 Płock district as a candidate from the Polish People's Party list.