HLB may refer to:
*
Halbi language of central India
*
Helium light band, unit of surface flatness
*
Hessian Ludwig Railway (German: '), a former German railway company
*
Hessische Landesbahn, a German transport company
*
High level bombing
*
Hildenborough railway station, in England
*
Hillsborough Resources, a Canadian coal-mining company
*
HLB International, an international network of accountancy firms
*
H.L. Boulton, a Venezuelan import and export company
*
H. L. Bourgeois High School, in Gray, Louisiana, United States
*
Hong Leong Bank, a Malaysian bank
*
Huanglongbing, a disease of citrus fruits
*
Hydrophilic-lipophilic balance, of a surfactant
* The Helminthosporium Leaf Blights, from their former classification in the genus ''
Helminthosporium'':
:*
Southern corn leaf blight
Southern corn leaf blight (SCLB) is a fungal disease of maize caused by the plant pathogen '' Bipolaris maydis'' (also known as '' Cochliobolus heterostrophus'' in its
teleomorph state).
The fungus is an Ascomycete and can use conidia or asco ...
:*
Northern corn leaf blight
Northern corn leaf blight (NCLB) or Turcicum leaf blight (TLB) is a foliar disease of corn (maize) caused by ''Exserohilum turcicum'', the anamorph of the ascomycete '' Setosphaeria turcica''. With its characteristic cigar-shaped lesions, this di ...
:*
Northern corn leaf spot
''Cochliobolus carbonum'' (anamorph: ''Helminthosporium carbonum'') is one of more than 40 species of filamentous ascomycetes belonging to the genus ''Cochliobolus'' (anamorph: ''Bipolaris/Curvularia''). This pathogen has a worldwide distributio ...
{{disambiguation