Luxury can refer to several things:

• Luxury goods, an economic good for which demand increases more than proportionally as income rises, contrast with inferior good and normal good.
• Luxury tax, a tax on products not considered essential, such as expensive cars.
• Luxury vehicle, a relatively expensive automobile.
• Luxury yacht, a very expensive privately owned yacht which is professionally crewed.
• Luxury real estate, a niche real estate market dealing with the highest socio-economic group of property buyers.
• Luxury resort, is a very exclusive vacation facility.

Also:

• Luxury, the sophomore album from Fantastic Plastic Machine.
• Casual Luxury, a sportswear line offered by Abercrombie & Fitch.
• Luxury box, a term for a special seating section in arenas, stadiums and other sports venues.
• Luxury tax (sports), a surcharge put on the aggregate payroll of a sports team to the extent to which it exceeds a predetermined guideline level set by the league.
• From Luxury to Heartache, an album by New Wave band Culture Club.
• Lap of Luxury, an album by rock and roll band Cheap Trick.