"The Only Thing" is a song by the Filipino rock band Mayonnaise. It was released as part of their album "Tayo Na Lang Dalawa" which was released in 2008. "The Only Thing" is one of Mayonnaise's popular tracks known for its catchy melody, heartfelt lyrics, and powerful rock instrumentation. The song talks about longing, regret, and the feeling of being incomplete without someone special. It has resonated well with fans of OPM (Original Pilipino Music) and remains a staple in Mayonnaise's live performances.