HTB
HTB is an abbreviation for:
- Haparanda-Tornio Bandy , a Swedish-Finnish bandy club
- Harburger TB 1865 , a Hamburg sports club
- Heisterbacher Talbahn , a former German narrow-gauge railway operating company
- Hellertalbahn GmbH , a former railway company
- Hierarchical Token Bucket , a variant of the token bucket algorithm
- Higher thermal load capacity , a criterion for components used in gas technology
- Hörseltalbahn in Eisenach
- Holy Trinity Brompton Church , an Anglican parish in London, see Alpha Course
