The ambassador of the Republic of the Philippines to Singapore (Filipino: Sugo ng Republika ng Pilipinas sa Singapore; Malay: Duta Filipina ke Singapura; Chinese: 菲律賓共和國駐新加坡共和國大使; pinyin: Fēilǜbīn gònghéguó zhù xīnjiāpō gònghéguó dàshǐ; Tamil: சிங்கப்பூர் குடியரசின் பிலிப்பைன்ஸ் குடியரசின் தூதர், romanized: Ciṅkappūr kuṭiyaraciṉ pilippaiṉs kuṭiyaraciṉ tūtar) is the Republic of the Philippines' foremost diplomatic representative in the Republic of Singapore.

As head of the Philippines' diplomatic mission there, the ambassador is the official representative of the president and the government of the Philippines to the president and government of Singapore.

The position has the rank and status of an ambassador extraordinary and plenipotentiary.