The paper treats 204 foreigners buried on Kos in the Hellenistic period; a diachronic analysis is made of their place of origin, which larger regions in the Mediterranean and the Black Sea they came from, and their sex. It also notes 17 Koans buried abroad and reported in IG XII 4, 4. The foreigners buried on Kos come from 84 different places, the majority from areas east of the island, either close by (Ionia and Karia, especially Halikarnassos) or far away (the Eastern end of the Mediterranean, especially Antiocheia (on-the-Orontes?)). Ca. two-thirds are men and ca. one-third are women. The women became more numerous in the 2nd and 1st centuries BC. The dataset indicates a high percentage of foreigners in Kos town just as in Rhodos and Athens. This, together with a strong presence of people from three large trading cities (Antiocheia, Alexandria, and Syracuse), suggests that Kos was a significant emporion.