Bidi can refer to

• Bidi (settlement), a settlement in the Belgaum district, India

• Bidirectional text or bidi writing, mixing left-to-right and right-to-left scripts

• Beedi or Bidi, a thin, Indian cigarette

• Bidi, a town in the Malaysian state of Sarawak

• Bidi Bidi Refugee Settlement in Uganda

• Bidi River, a river in the Democratic Republic of the Congo

• Bidirectional transceiver, another name for a 1000BASE-BX10 capable device.