Objective to identify nurses’ perception on the usefulness of information and communication technologies in their professional practice, as well as in communication among the multidisciplinary team. Method this is a quantitative, descriptive study, of exploratory character, carried through with 3.451 nurses from 36 hospital institutions of Portugal. A questionnaire was used as a data collection instrument. In data analysis, using SPSS® resorted to descriptive statistics. Results of the nine technologies under study, we found that regarding their usefulness in professional practice, nurses qualified as useful or very useful: Intranet (84.3%), email (79.5%), SClínico® (74.8%), Nursing Practice Support System (70.9%), Physician Support System (63.2%), newsletter (62.9), ALERT® (59.4%), Health Data Platform (42.8%) and SONHO® (31.8). Regarding its usefulness in communication among the multidisciplinary team, nurses qualified as useful or very useful: email (75.2%), Intranet (74.2%), SClínico (72.5%), Nursing Practice Support System (67.1%), Physician Support System (63.6%), ALERT® (58.9%), newsletter (57.2), Health Data Platform (40.1%) and SONHO® (29.4%). Conclusion despite the usefulness of technologies presenting relevant percentages, it is pertinent to analyze why nurses’ perceived usefulness is superior to Intranet and email when compared with specific technologies of care data used in the hospital context.