'''Rahvuslik mastrubeerimispäev''' tuntud ka kui '''Rahvusvaheline mastrubeerimispäev''' on iga-aastaselt 28. mail tähistatav päev, mis on suunatud kõigi inimeste õigusele mastrubeerida ja selleõiguseselle õiguse toetamisele.<ref name="X-Toy">{{Cite web |url=http://infoweb.newsbank.com/iw-search/we/InfoWeb?p_action=doc&p_topdoc=1&p_docnum=1&p_sort=YMD_date:D&p_product=AWNB&p_text_direct-0=document_id=(%200EB722E1F24C97F1%20)&p_docid=0EB722E1F24C97F1&p_theme=aggdocs&p_queryname=0EB722E1F24C97F1&f_openurl=yes&p |title=X-Toy Group Fights Bans S.F. Activists Join Battle against 14 States' Restrictions |date=1999-05-08 |accessdate=2014-08-27 |publisher=[[Mercury News]] |deadurl=yes |archiveurl=https://www.webcitation.org/663OnnOre?url=http://infoweb.newsbank.com/iw-search/we/InfoWeb?p_action=doc&p_topdoc=1&p_docnum=1&p_sort=YMD_date:D&p_product=AWNB&p_text_direct-0=document_id=(%200EB722E1F24C97F1%20)&p_docid=0EB722E1F24C97F1&p_theme=aggdocs&p_queryname=0EB722E1F24C97F1&f_openurl=yes&p |archivedate=2012-03-10 |df= }}</ref><ref name="Wireless Flash News">{{cite web|url=http://www.flashnews.com/news/wfn1050523J7930.html |title=National Masturbation Month Reaches Climax On May 28 |publisher=Wireless Flash News|date=2005-05-23|accessdate=2014-08-27}}</ref><ref>{{Cite web|url=https://au.lifestyle.yahoo.com/health/blogs/sexologist/b/17352930/international-masturbation-day/ |title=International Masturbation Day |first=Nikki |last=Goldstein |date=2013-05-28 |accessdate=2014-08-27 |publisher=[[Yahoo!|Yahoo! Lifestyle]] |deadurl=yes |archiveurl=https://web.archive.org/web/20140904171902/https://au.lifestyle.yahoo.com/health/blogs/sexologist/b/17352930/international-masturbation-day/ |archivedate=4. september 2014 }}</ref>
