Background: Commercial technology-enabled personalised nutrition is undergoing rapid growth, yet its uptake in dietetics practice remains low. This survey sought the opinions of dietetics practitioners on personalised nutrition and related technologies to understand the facilitators and barriers to its application in practice. Method: A cross-section of registered dietitians were recruited in the USA, UK, Australia, Canada, Israel, Mexico, Portugal, Spain, and South Africa. The questionnaire sought their views on the risks of genetics technology, the ethics of genetic testing, the usefulness of new personalised nutrition technologies, entrepreneurism, and the perceived importance of new technologies to dietetics. Validated scales were included to assess personality (the Big Five) and self-efficacy (NGSEI). The survey was available in English, Spanish, and Portuguese. Regression analyses were performed to identify factors associated with the integration of nutrigenetic testing into practice, and to identify factors associated with the perceived importance of bio-information, and mobile technology to dietetics practice. Results: A total of 323 responses (response rate 19.7%) were analysed.