Here are some perspectives to consider:
* Number of speakers: By this metric, Mandarin Chinese is the most spoken language with over 1 billion speakers.
* Global influence: English is widely considered the language of international communication, business, and media. It has a huge global reach and is spoken in many countries as a second language.
* Cultural impact: English has had a significant influence on literature, music, and film, making it arguably the most influential language in the world.
* Historical significance: Latin is the root of many modern European languages and played a pivotal role in shaping Western culture.
Ultimately, the "most famous" language depends on the criteria you use to define fame. It's a matter of perspective!