This survey research aimed to study ethics of information uses and ethical perception of Faculty of Liberal Arts’ students Rajamangala University of Technology Phra Nakhon. Sample group that stratified by fields was 309 undergraduates studying in academic year 2015 from Faculty of Liberal Arts Rajamangala University of Technology Phra Nakhon. The data collecting tool was questionnaire about ethics of information uses of Faculty of Liberal Arts’ students Rajamangala University of Technology Phra Nakhon. The statistic analysis used percentage and standard deviation. The results showed that : 1. Students had totally ethics of information uses in medium level. Its considered each aspect found that students had the most of ethics of information uses in aspect of information dissemination followed by an aspect of information property and information accessibility. 2. Students had totally ethics of information uses in aspect of information accessibility in medium level. Its considered each item found that the most item that students had ethics was that they usually used their user ID and their passwords to log in the university’s internet system followed by they usually used their user ID and their passwords into information searching system in databases. 3. Students had totally ethics of information uses in aspect of information property in medium level. Its considered each item found that the most item that students had ethics was that if they utilized pictures from books journals newspapers to compose their report or to publicize they would cite to sources of pictures. And if they utilized articles from journals newspapers web sites to content analysis as case study they would cite to sources of content. 4. Students had totally ethics of information uses in aspect of information dissemination in good level. Its considered each item found that the most item that students had ethics they usually avoided to use statement or pictures that was contrary to law and social good moral for example; pictures of rove false statement etc. followed by students usually avoided to use statement or picture that showed violation of privacy rights for example ; defamation statement photomontage etc. 5. Students had the ethical perception involved to information uses in medium level. Its considered each item found that the most item that students had ethical perception was that the utilization of others academic papers for being parts of its own study they had to cite sources every time otherwise its considered that was illegal and unethical. Followed by the utilization of other words or other interviews to compose its own report or its own presentations they had to be allowed otherwise its considered that was copyright infringement.