Liner or LINER may refer to: Line drawing Eye liner, a type of makeup Marker pen, a porous-tip pen with its own ink source Multiple lining tool used in engraving A sable brush used by coach painters Linings Acoustic liner, a noise-damping panel in an aircraft engine Album liner, a record sleeve or combination of sleeve and outer sheath (usually printed cardboard) in which a vinyl record is stored Liner notes, text printed on or accompanying the sheaths, cases and other forms of packaging in which vinyl records, CDs, DVDs, etc., are stored Bin liner, a protective layer fitted inside a bin Landfill liner, a membrane placed at the bottom of landfills Liner, an installation of well-drilling casing that does not extend to the surface Liner (sewing) Release liner, a paper or film used on labels and adhesive tapes to cover the adhesive until ready for use Transportation Airliner, a large fixed-wing aircraft for transporting passengers and cargo Ocean liner, a type of passenger ship used primarily for long-distance transportation Cruise ship, also known as a cruise liner, a passenger ship used primarily for recreation Ship of the line, a type of warship used from the 17th century to the 19th century Other uses Liner (baseball) or "line drive", a type of baseball stroke Linerboard or "liner", a type of paperboard used in making corrugated fiberboard Low-ionization nuclear emission-line region (LINER), a class of galactic nuclei (also used to refer to galaxies with such nuclei) Liner (band), a reincarnation of the British rock band Blackfoot Sue R-29RMU2 Layner (Liner), Russian submarine-launched missile