Anastasia Maria Loupis

Anastasia Maria Loupis (born ) is a Danish physician and far-right activist. She is known for her anti-transgender and anti-vaccine activism, and for espousing antisemitic and anti-Israel rhetoric during the Gaza war. In August 2014, Loupis co-authored a research paper suggesting the use of percutaneous closure of the left atrial appendage as an alternative to oral anticoagulation for preventing strokes.

Activism Loupis initially became prominent for her opposition to COVID-19 vaccination and promotion of COVID-19 conspiracy theories. and shared an article by The Washington Times which falsely claimed that "Vaccines don't work, masks don't work: Everything government told us about COVID-19 was wrong."

Loupis is a vocal critic of gender-affirming surgery and rights for gay and transgender people. That month, she also tweeted, "There is no such thing as 'man made climate change' so why does the World Economic Forum want people to eat bugs, micro plastics, fake meat, seed oils, and air proteins?"

In December 2024, Loupis criticized Elon Musk for his support of an immigration program for skilled foreign workers. Her engagement on X (formerly Twitter) subsequently collapsed. In January 2025, she said she was planning to sue Musk, saying, "It has turned out to be all lies from him. It's disappointing because we supported him and believed in him very, very much." According to Rolling Stone writer Miles Klee, Loupis was one of many online accounts that had co-opted the Palestinian cause to make money or frame their antisemitic rhetoric as anti-Zionism. and falsely claiming that Hezbollah had killed IDF chief Herzi Halevi during its drone strike on Binyamina.

In May 2024, Loupis was announced as a VIP guest at the America First Political Action Conference, a white nationalist political conference founded by white supremacist Nick Fuentes.

In January 2026, Loupis announced she would be joining UpScrolled, a pro-Palestinian social media platform launched in June 2025.

Personal life Loupis lives in Copenhagen, Denmark.