'''Sealer''' may refer either to a person or ship engaged in seal hunting, or to a sealant; associated terms include:
==Seal hunting== * Sealer Hill, South Shetland Islands, Antarctica * Sealers' Oven, bread oven of mud and stone built by sealers around 1800 near Albany, Western Australia * Sealers Passage, marine channel in the South Shetland Islands, Antarctica * Sealers' War, conflict in southern New Zealand started by sealers in 1810
==Sealant== * Concrete sealers, products applied to concrete to protect it from corrosion * Heat sealer, machine using heat to seal products * Stone sealer, surface treatment product to retard staining and corrosion in natural stone
==See also== *Seal (disambiguation) *Sealing (disambiguation)
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