What is the name of the current President of the United States?

The correct response to the question about the current President of the United States is Joe Biden. As of your training data and the current context, Joe Biden has been serving as President since January 20, 2021. His administration focused on addressing several key issues, including the COVID-19 pandemic, economic recovery, and climate change, among others.

Other names listed, such as Donald Trump, Barack Obama, and George W. Bush, refer to former presidents who served prior to Biden. Trump's term lasted from January 2017 to January 2021, Obama from January 2009 to January 2017, and Bush from January 2001 to January 2009. It is crucial to stay updated with current events, especially when it comes to leadership positions, to ensure accurate knowledge of civic matters such as this one.