The Remainer is hoping to raise £10,000 to finance a tour of marginal constituencies in a bid to push the case for a soft exit from the EU.
Ms Miller, 52, who led a successful legal campaign to force the Prime Minister to put the triggering of Article 50 through Parliament instead of enacting it herself, wants to make sure the Government does not “destroy our rights and our relationship with Europe".
Gina Miller has launched a crowdfunding campaign to support pro-EU MPs
The Remainer is hoping to raise £10,000 to finance a tour of marginal constituencies
She said: "We need to prevent MPs and the people being forced into an extreme Brexit that is not in Britain's best interests.
"We will support candidates who campaign for a real final vote on Brexit, including rejecting any deal that leaves Britain worse off.
"We will use the money to back candidates who pledge to support a full and free vote on the Brexit deal. We will also work with organisations with the same goals."
Theresa May has called for a snap General Election, which will be held on June 8 Things you may not know about remoaner Gina Miller Thu, March 2, 2017
Gina Miller is leading the challenge that has blocked Theresa May triggering Article 50 without the consent of Parliament
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Gina Miller has won the case to block Theresa May from Article 50
The crowdfunding page has already reached close to £5,000.
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Ms Miller was born in British Guiana to Savitri and Doodnauth Singh, who later became Attorney General of Guyana.
MPs voted by 522 to 13 in favour of a snap General Election
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At the age of 10, Ms Miller was sent to England and educated at Moira House Girls School.
She shot to prominence when she took the Government to task over Brexit.
Her case to have the Article 50 vote debated in Parliament went through both the High Court and the Supreme Court.