Äpperum is a village in Västervik Municipality, in Kalmar County, Sweden. Äpperum lies at 41 m above sea level. The nearest city is Västervik, 42 km to the southeast. Among the landmarks around are Ukna Church (5.7 km), Tryserum church (11.4 km) and Gärdserums kyrka (15.4 km).