Banka may refer to:
- Banka, Bihar, a town in Bihar, India
- Banka district, Bihar, India
- Bankə, Azerbaijan
- Banka, Cameroon
- the Banka Gold Mining Project operated by Mwana Africa plc, in Ghana
- Banka, Piešťany District, a village in the Trnava Region (Piešťany District) of Slovakia
- the Basque language name for the commune of Banca, Pyrénées-Atlantiques in the Pyrénées-Atlantiques département of France
- the old name of Wanhua District, a district in Taipei, Taiwan
- Banka (Lok Sabha constituency)
- Banka, an island roughly between Sumatra and Singapore, see Bangka Island