Ah Long Pte Ltd (Chinese: 老师嫁老大; pinyin: Lǎoshī Jià Lǎodà; Wade–Giles: Lao3 Shih1 Chia1 Lao3 Ta4; Pe̍h-ōe-jī: Lāu-sai-kè-láu-tōa) is a 2008 action comedy film directed by Singaporean film director Jack Neo, starring Fann Wong and Mark Lee. Co-produced by Mediacorp Raintree Pictures, Scorpio East Pictures and Double Vision (Malaysia), the film was mostly shot in Malaysia, in the city of Kuala Lumpur, with a budget of S$1.2 million. This film is also the seventh collaboration between Mediacorp Raintree Pictures and Jack Neo.

Ah Long Pte Ltd was released in Singapore on 7 February 2008, and in Malaysia on 13 March. Its languages consist of Mandarin (in a heavily Johor-accented version as spoken by Mark Lee), Hokkien and Cantonese.