Item 13. (b)
| CERTIFICATION UNDER SECTION 906 OF SARBANES-OXLEY ACT OF 2002 | |
| Name of Issuer: T. Rowe Price High Yield Fund | |
| In connection with the Report on Form N-CSR for the above named Issuer, the undersigned hereby certifies, to the best of his knowledge, that: | |
| 1. | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; |
| 2. | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Issuer. |
| Date: | January 18, 2022 | /s/ David Oestreicher |
| David Oestreicher | ||
| Principal Executive Officer | ||
| Date: | January 18, 2022 | /s/ Alan S. Dupski |
| Alan S. Dupski | ||
| Principal Financial Officer | ||