ABSTRACTPatient advocacy must be understood as an ethical component of nursing practice that involves respecting and defending patients' rights and autonomy. During the COVID‐19 pandemic, the vulnerability of patients in intensive care units (ICUs) increased requiring that nurses advocate for those patients more than ever in a context in which changes in daily nursing practices of care imposed by the pandemic deeply impacted nurses' advocacy. In this study, we examined ICU nurses' patient advocacy during the pandemic, using feminist ethics as a theoretical lens. Twenty‐five ICU nurses from Brazil participated in individual interviews. Our findings reflect that advocacy is a moral component of nursing identity. This moral identity represents the identity of nurses as a profession as it represents their values and responsibilities which are social in nature. Although the pandemic challenged nurses' advocacy practices these professionals had an important role to give voice to patients and to preserve their autonomy and dignity, strengthening patient‐centered care.