Central Committee of the 1st and 2nd Congress of the Russian Social Democratic Labour Party

The Central Committee compositions elected by the 1st, 2nd and 3rd congresses of the Russian Social Democratic Labour Party (RSDLP) were in session 1898–1903, 1903–1905 and 1905–1906 respectively.

1st Central Committee (1898–1903)

• Alexander Kremer (1865–1935) — arrested in July 1898.
• Stepan Radchenko (1869–1911) — was arrested sometime in 1902.
• Boris Eidelmann (1867–1939) — was arrested on 8 March 1898.

2nd Central Committee (1903–1905)

Regular members

• Gleb Krzhizhanovsky (1872–1959) — left the party on 27 July 1904.
• Friedrich Lengnik (1873–1936) — was arrested on 16 June 1904.
• Vladimir Noskov (1878–1913) — was arrested on 9 February 1905.

Co-opted members

• Fyodor Gusarov (1875–1920) — elected to the CC on 29 September 1903.
• Rosalia Zemlyachka (1876–1947) — elected to the CC on 29 September 1903.
• Leonid Krasin (1870–1926) — elected to the CC on 29 September 1903.
• Maria Essen (1872–1956) — elected to the CC on 29 September 1903.
• Vladimir Lenin (1870–1924) — elected to the CC on 8 November 1903.
• Lev Galperin (1872–1951) — elected to the CC in November 1903.
• Joseph Dubrovinsky (1877–1913) — elected to the CC in July 1904.
• Lev Karpov (1879–1921) — elected to the CC in July 1904.
• Alexei Lyubimov (1879–1919) — elected to the CC in July 1904.
• Yekaterina Alexandrova (1864–1943) — elected to the CC in November 1904.
• Viktor Krochmal (1873–1933) — elected to the CC in November 1904.
• Vladimir Rozanov (1876–1939) — elected to the CC in November 1904.

Prospective members

• Aleksandr Kvyatkovsky (1878–1926) — elected sometime in 1904.
• Mikhail Silvin (1874–1955) — elected sometime in 1904.

3rd Central Committee (1905–1906)

Regular members

• Leonid Krasin (1876–1926)
• Vladimir Lenin (1878–1924)
• Dmitry Postolovsky (1876–1948)
• Alexey Rykov (1881–1938) — was removed from the Central Committee on an unknown date.

Applicants

• Sergey Gusev (1874–1933)
• Pyotr Rumyantsev (1870–1925)
• Ivan Sammer (1870–1921)
• Maria Essen (1872–1956)

Prospective members

• Alexander Bogdanov (1873–1928) — elected sometime in 1905.