Tähtivaeltaja (literally stellar wanderer) is a Finnish quarterly science fiction magazine published in Finland.
Tähtivaeltaja was started in 1982. The magazine is by Helsingin science fiction seura.Toni Jerrman has been the editor of the magazine throughout its twenty-year history. Contributors to the magazine, amongst others, has included Johanna Sinisalo, Jyrki Kasvi, Petri Hiltunen and Jyrki 69.