The 2024 Southern California Open was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Indian Wells, California, United States from January 15 to January 21, 2024.

The following players received wildcards into the singles main draw:

The following player received entry into the singles main draw using a protected ranking:

The following players received entry from the qualifying draw: