Yes, many stars are hotter than the Sun.
The Sun, while incredibly hot to us, is not the hottest star in the universe. Its surface temperature is around 5,500 degrees Celsius (approximately 10,000 degrees Fahrenheit). However, other stars can reach significantly higher temperatures.
For example, the star WR 102 in the constellation Sagittarius boasts a surface temperature exceeding 200,000 degrees Celsius. This makes it significantly hotter than our Sun. The temperature of a star is related to its mass and stage in its life cycle. More massive stars tend to be hotter, and certain stages of stellar evolution also result in higher temperatures.
Therefore, it's essential to remember that the Sun is just one star among billions, and its temperature is relatively moderate compared to the extremes found throughout the cosmos.