Definitely Maybe is the debut studio album by English rock band Oasis, released by Creation Records on 29th August 1994.

The album was an immediate critical and commercial success in the United Kingdom, having followed on the heels of the singles "Supersonic", "Shakermaker", and the UK top-ten hit "Live Forever", which was also a success on US Rock Airplay. It went straight to number one in the UK Albums Chart and became the fastest-selling debut album in British music history at the time; it went on to be certified 8 × platinum by the BPI for sales of over 2.4 million units. It also was successful in the United States, being certified platinum by the Recording Industry Association of America. The album went on to sell over 8.5 million copies worldwide.