| Somdy Duangdy | |
| Office: | Deputy Prime Minister of Laos |
| Primeminister: | Thongloun Sisoulith |
| Term Start: | 20 April 2016 |
| Term End: | 22 March 2021 |
| Alongside: | Bounthong Chitmany and Sonexay Siphandone |
| Office1: | Minister of Finance |
| Primeminister1: | Thongloun Sisoulith |
| Term Start1: | 20 April 2016 |
| Term End1: | 22 March 2021 |
| Predecessor1: | Lien Thikeo |
| Successor1: | Bounchom Oubonpaseuth |
| Term Start2: | 3 July 2007 |
| Term End2: | 15 June 2011 |
| Primeminister2: | Thongsing Thammavong Bouasone Bouphavanh |
| Predecessor2: | Chansy Phosikham |
| Successor2: | Phouphet Khamphounvong |
| Office3: | Minister of Planning and Investment |
| Primeminister3: | Thongsing Thammavong |
| Term Start3: | 2012 |
| Term End3: | 20 April 2016 |
| Predecessor3: | Soulivong Daravong |
| Successor3: | Souphanh Keomisay |
| Birth Date: | 1952 |
| Birth Place: | Savannakhet Province, Laos |
| Party: | Lao People's Revolutionary Party |
Somdy Duangdy (Lao: ສົມດີ ດວງດີ; born 1952) is a Laotian economist and politician.[1] He has been Minister of Finance of Laos from 2007 to 2011, and again from 2016. He was born in Savannakhet Province in 1952.[2] He was Minister of Planning and Investment from 2012 to 2016.
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