Solothurn railway station (Alemannic German: Bahnhof Solothurn) serves the municipality of Solothurn, the capital city of the Canton of Solothurn, Switzerland. Solothurn is a major railway junction and is served by six railway lines.

Solothurn serves four operators from three different areas. The main part of the station has one side and two island platforms, serving tracks 1–3 and 5–6. These are used by BLS and Swiss Federal Railways trains. On the south side of the station, another island platform serves tracks 9–10, used by Regionalverkehr Bern-Solothurn (RBS). Finally, the narrow-gauge trains of Aare Seeland mobil (asm) stop on Luzernstrasse, on the north side of the station. This is designated track 21.

As of the December 2024 timetable change, the following services stop at Solothurn:

• InterCity: half-hourly service between Lausanne and Zürich Hauptbahnhof, with every other train continuing to Rorschach, rush-hour trains continue from Zürich Hauptbahnhof to St. Gallen.

• RegioExpress: service every fifteen minutes on weekdays to Bern or half-hourly service on weekends.
• Bern S-Bahn:
  • S41/S44: half-hourly service to Thun.
  • S46: morning rush-hour service on weekdays to Ostermundigen.
• S11: half-hourly service to Langenthal.
• S20: half-hourly service to Olten and to Biel/Bienne; limited service to Langendorf, Lommiswil or Oberdorf SO.
• S21: hourly service to Oberdorf SO.

• Rail transport in Switzerland

• Stutz, Werner (1976). Bahnhöfe der Schweiz [Railway Stations of Switzerland] (in German). Zürich: Verlag Berichthaus. p. 162. ISBN 3-85572-018-5.

• Media related to Solothurn railway station at Wikimedia Commons
• Solothurn railway station – SBB
• Interactive station plan (Solothurn)