Yermak or Ermak may refer to:
Places Aksu, Kazakhstan, a city in Kazakhstan, known as Yermak until 1993 Yermak Point in Antarctica Yermak Stone, a cliff in Perm Krai, Russia
People Yermak (name)
Other GAZ Ermak, a Russian truck Yermak (1898 icebreaker), an Imperial Russian and later Soviet ship Yermak Angarsk, an ice hockey team in Angarsk, Russia Yermak Monument in Novocherkassk, Russia Yermak-McFaul Expert Group on Russian Sanctions, a group working on sanctions against Russia and Belarus in response to the 2022 Russian invasion of Ukraine