Yes, But Only for Unauthorized or Inaccurate Inquiries
You absolutely can dispute a hard credit inquiry, but there's a critical condition: the inquiry is generally required to be the result of fraud, error, or a lack of permissible purpose under the Fair Credit Reporting Act (FCRA). You cannot legally dispute a hard inquiry that resulted from a legitimate credit application you initiated.
The Legal Standard for Disputes
The FCRA grants you the right to an accurate credit report. If an inquiry appears that you did not authorize, it is an inaccuracy you can and should dispute. For example, if a lender you've never contacted pulls your credit, or if you are a victim of identity theft, those inquiries are invalid.
However, if you applied for a mortgage, auto loan, personal loan, or credit card, you gave that lender "permissible purpose" to check your credit. That resulting hard inquiry is accurate and legitimate, even if you were denied for the credit or decided not to proceed. Trying to dispute a legitimate inquiry is legally baseless and will be rejected by the credit bureaus.
Impact Analysis: Legitimate vs. Disputable Inquiries
A single legitimate hard inquiry typically has a minimal impact on your credit score, often less than five points. Its effect on your score also diminishes over time and disappears entirely after one year, though the inquiry itself remains on your report for two years. Unauthorized inquiries, on the other hand, can be a sign of identity theft and should be addressed immediately, not just for the minor score impact but to prevent further fraudulent activity.