Shimoda can mean:
- Places in Japan:
- Shimoda, Shizuoka, a city in Shizuoka Prefecture
- Shimoda, Aomori, a town in Aomori Prefecture
- Treaty of Shimoda (1855), between Japan and Russia
- Shimoda Toyomatsu, an early Japanese Scouting notable
- Donald Shimoda, a character in the novel Illusions by Richard Bach
- Shimoda Conference, series of unofficial dialogues between the United States and Japan
- Asami Shimoda, a Japanese singer-voice actress