| Wahlbeteiligung | 38,3% |
| Resultate der Kandidierenden |
| Name | Stimmen |
| Liste 1: SVP Olten |
| Werner Christian (bisher)* | 1353 |
| Buck Marcel (bisher)* | 1252 |
| Lutz Rudolf (bisher)* | 1203 |
| Koestli André (bisher)* | 1131 |
| Kappeler André (bisher)* | 1120 |
| Winistörfer Marc* | 1111 |
| Kappeler Nicole* | 1081 |
| Maiolo Domenico | 1057 |
| Flury Markus | 1046 |
| Mathys Sandra | 978 |
| Fluri-Hagmann Bruno | 967 |
| Winter Gert | 951 |
| |
| Liste 2: EVP Olten |
| Hodonou Stephan (bisher)* | 920 |
| Steiner René* | 448 |
| Frank-Tedeschi Daniela | 399 |
| Wälchli Schaffner Marlene | 348 |
| Lindegger Rebecca | 315 |
| Plüss Simon | 315 |
| von Lerber Nyffenegger Annette | 307 |
| Dietiker Martin | 306 |
| Dietiker Theres | 289 |
| Steiner Sibylle | 285 |
| Nyffenegger Jean-Jacques | 280 |
| Köhn Deborah | 269 |
| Bolliger Caroline | 268 |
| Bachmann Beat | 259 |
| Schmitt-Bütikofer Corinne | 250 |
| Schaffner-Wälchli Werner | 243 |
| Hofer-Lopes Susie | 240 |
| |
| Liste 3: CVP Olten |
| Rudolf von Rohr Roland (bisher)* | 1817 |
| Ehrsam Heidi (bisher)* | 1519 |
| Hagmann Antonia (bisher)* | 1500 |
| Kissling Patrick (bisher)* | 1383 |
| Steffen Marcel (bisher)* | 1207 |
| Weissen Armand (bisher)* | 1177 |
| Dinkel Georg (bisher)* | 1119 |
| Pfluger Thomas | 1112 |
| Bossart Sonja | 1084 |
| Laube Thomas | 1066 |
| Joss Daniel (bisher) | 1040 |
| Ruch Pascal | 991 |
| |
| Liste 4: SP Olten |
| Ammann Markus (bisher)* | 2427 |
| Uebelhart Arnold (bisher)* | 2262 |
| Derendinger Lukas (bisher)* | 2079 |
| Stocker Luzia (bisher)* | 2056 |
| Good Werner (bisher)* | 2034 |
| von Wartburg Lea (bisher)* | 2013 |
| Moor Rudolf (bisher)* | 1963 |
| Ulrich Dieter (bisher)* | 1957 |
| Marbet Thomas (bisher)* | 1941 |
| Kissling Brigitte (bisher)* | 1910 |
| Braun Rolf (bisher)* | 1898 |
| Schneider Daniel* | 1895 |
| Bader Corinne* | 1873 |
| von Arx Christine | 1806 |
| Meyer Derungs Huguette | 1778 |
| Balkaç Ramazan (Yabgu) | 1756 |
| Grui Claudia | 1751 |
| Amoser Florian | 1718 |
| Rickli Ronny | 1685 |
| Kurt Stefanie | 1670 |
| Oertig Seraina | 1646 |
| Dilitz Paul | 1625 |
| Kahvecioglu Hamdi | 1492 |
| |
| Liste 5: Grünliberale Partei GLP Olten |
| Haller Simon* | 733 |
| Rohr Monika | 618 |
| Lerch Hansueli | 535 |
| Ginsig Christian | 511 |
| von Felten Markus | 509 |
| |
| Liste 6: Grüne Olten |
| Schelbert-Widmer Iris (bisher)* | 2022 |
| Wettstein Felix (bisher)* | 1562 |
| Schöni Theo (bisher)* | 1349 |
| Engeler Anna (bisher)* | 1335 |
| Huber Anita (bisher)* | 1235 |
| Frey Schär Myriam* | 1230 |
| Weibel Patrick* | 1187 |
| Fröhlicher Stephan | 1074 |
| Näf-Frei Sandra | 1047 |
| Hasspacher Beate | 1028 |
| Neuenschwander Michael | 1024 |
| Späni Theresa | 967 |
| Schlegel Matthias | 952 |
| Ettlin Roman | 938 |
| Schmid Livia | 931 |
| Frey Julian | 878 |
| Nünlist Luc | 873 |
| |
| Liste 7: FdP Olten |
| Schibli Andreas (bisher)* | 2237 |
| Zila Nico (bisher)* | 2234 |
| Eng Heinz (bisher)* | 2196 |
| Wüthrich Christian (bisher)* | 2191 |
| Frey Thomas (bisher)* | 2155 |
| Pfenninger Max (bisher)* | 2154 |
| Knapp Urs (bisher)* | 2151 |
| Nünlist Stefan (bisher)* | 2124 |
| Probst Daniel (bisher)* | 2100 |
| Kämpf Alexandra (bisher)* | 2073 |
| Wernli René (bisher)* | 2056 |
| Dähler Daniel* | 1964 |
| Fleischli Nadja* | 1964 |
| Rauch Thomas (bisher) | 1886 |
| Roth Simone | 1875 |
| Früh Sandra | 1828 |
| Gervasoni Sandro | 1736 |
| Zysset Katharina | 1618 |
| Husi Max | 1525 |
| Huber Heidi | 1509 |
* gewählt
