The Thomson TO9 is a home computer introduced by French company Thomson SA in 1985.

[2] It included a built-in 320 Kb 3.5" floppy drive unit, and inputs for light pen, joystick, and mouse.

The ROM included some utilities like: two BASIC versions (BASIC 1.0 and BASIC 128), a word processor (Paragraphe) and a database program (Fiche & Dossiers).

[3] The machine was compatible with the previous TO7 and TO7/70 models.

This microcomputer- or microprocessor-related article is a stub.