More than 40 Foreign Ministers and representatives from key regional organisations are expected to attend.
These include United Nations Secretary General Ban Ki Moon, the Chairman of the African Union Dr Jean Ping, OIC Secretary General Dr Ekmeleddin Ihsanoglu, the Prime Minister of Qatar, Foreign Ministers from key regional countries including Iraq, Jordan, UAE, and Morocco, Secretary Clinton, and Foreign Ministers from across Europe and NATO members, along with Secretary General Rasmussen.
The Arab League, Lebanon and Tunisia will also be represented.
The London Conference will be chaired by the Foreign Secretary William Hague and opened by Prime Minister David Cameron.
The London Conference aims to strengthen and broaden the international community’s commitment to implementing UNSCRs 1970 and 1973, ensuring that Libyan civilians are protected from violence.
The Conference will also reaffirm the importance of urgent humanitarian assistance to Libya, in particular to alleviate the suffering in Misrata and on Libya’s borders given the disruption of essential supplies such as water, food and medical provisions.
It will also call for a political process which helps create the conditions in which the people of Libya can chose their own future, supported by the international community.
Ahead of the Conference, Mr Cameron and President Sarkozy issued a joint letter setting out the aims of the Conference.
Read more: Libya: background