B
- Ba Jin
- Babbage, Charles
- Babel, Issac Emmanuilovich
- Babeuf, Gracchus
- Babo, Alexandre Feio dos Santos
- Babovismo
- Babushkin, Ivan Vassilevitch
- Bachofen, Johann Jakob
- Bacon, Francis
- Badaiev, Alexei Egorovich
- Badaloni, Nicola
- Baer, Karl Ernst von (Karl Maximovitch)
- Bagdátiev, Serguei Iakóvlevitch (ou Sarkis Gaíkovitch Bagdatian)
- Bagiński, Kazimierz Florian
- Bailey, Samuel
- Bailly, Jean Sylvain
- Bains, Hardial
- Baiter, Johann Georgedar
- Bajánov, Boris Gueórguievitch
- Bajánov, Evguéni Petróvitch
- Bajcsy-Zsilinsky, Endre
- Bakaev, Ivan Petróvitch
- Baker, Robert
- Bakewell, Robert
- Bakinski Rabótchi (Operário de Baku)
- Bakúnine, Mikhail Alexándrovitch
- Bakuninismo
- Balabanoff, Angelica
- Balduíno, Alberto Carlos Leopoldo Axel Maria Gustavo
- Baliño, Carlos
- Ball, Jonh
- Ballard, Edward
- Ballhorn, Johann
- Balzac, Honoré
- Bambirra, Vania
- Bancroft, Hubert
- Bandera, Stepan Andréievitch
- Bando dos Quatro
- Bang, Cathrinus
- Bankes, George
- Baraguay d'Hilliers, Achille
- Barata Ribeiro, Agildo da Gama
- Barbé, Henri
- Barbès. Armand
- Barbon, Nicholas
- Barbusse, Henri
- Barlicki, Norbert Stanisław
- Barnave, Antoine Pierre Joseph Marie
- Baroche, Pierre Jules
- Barre, Mohamed Siyaad
- Barreto, Lima
- Barros, Ademar Pereira de
- Barroso, Alfredo José Somera Simões
- Barrot, Odilon
- Barth, Paul
- Barthou, Jean Louis
- Barton, John
- Basbaum, Leôncio
- Basch, Victor
- Basedow, Johann Bernhard
- Bassermann, Friedrich Daniel
- Bastelica, André
- Bastiat, Frédéric
- Bastide, Jules
- Batista, Fulgencio
- Batték, Rudolf
- Baudeau, Nicolas
- Bauer, Bruno
- Bauer, Heinrich
- Bauer, Helene
- Bauer, Otto
- Baumann, Julius
- Bayle, Pierre
- Baynes, John
- Bayo, Alberto
- Bazárov, Rúdnev), Vladímir Alexándrovitch
- Baze, Jean Didier
- Beaumarchais, Pierre Augustin Caron de
- Bebel, August
- Bebler, Ales
- Beccaria, Cesare Bonesana
- Becher, Erich
- Beck, Józef
- Beck, Karl
- Becker, August
- Becker, Bernhard
- Becker, Hermann Heinrich
- Becker, Jean-Philippe
- Beckmann, Johann
- Becquerel, Henri
- Becquerel, Jean
- Beda, o Venerável
- Bedeau, Marie-Alphonse
- Bedford
- Beecher-Stowe, Harriet Elisabeth
- Beer, Max
- Beesly, Edward Spencer
- Beghelli, Giuseppe
- Beinstein, Jorge
- Bek, Aleksandr Alfrédovitch
- Bekker, Immanuel
- Belfort-Bax, Ernest
- Belínski, Vissarion Grigónevitch
- Bell, Sir Charles
- Bellers, John
- Belorússov, Alexéi Stanislávovich
- Beloússov, Terénti Óssipovitch
- Belov (Tséitlin, L. S.)
- Beltov
- Bem, Joseph
- Ben Bella, Ahmed
- Benedek, Ludwig August Ritter von
- Benedetti, Vincent
- Benes, Edouard
- Benévolo, Aníbal
- Benjamin, Walter
- Bennet (Bennett), A.
- Bennigsen, E. P.
- Benoist d'Azy, Denis
- Bensaïd, Daniel
- Bentham, Jeremy
- Bentley, J. M.
- Bérard, Victor
- Berdiáiev, Nikolai Alexándrovitch
- Berends, Julius
- Berger, Victor
- Bergeret, Jules Victor
- Beria. Lavrenty
- Berkeley, George
- Berkenheim, Alexandr Moiséievitch
- Berkins, Lohana
- Berkman, Alexander
- Berliner Volks-Tribüne (Tribuna Popular de Berlim)
- Berlinguer, Enrico
- Berlioz, Joanny
- Berman, Jakub
- Bermann, Yakov Aleksandrovitch
- Bermúdez, José Francisco
- Bernal, John Desmond
- Bernard
- Bernardes, Artur
- Bernátski, Mikhail Vladimirovitch
- Berner Tagwacht
- Bernhard, Ludwig
- Bernstein, Eduard
- Bernsteinianismo
- Berry, Mari-Caroline-Ferdinande-Louise, duquesa de
- Berryer, Pierre Antoine
- Bervi, Vassili Vassílievitch
- Besançon, Alain
- Beslay, Charles
- Bessemer, Henry
- Bethlen, Graf István
- Bethune, Norman
- Bettelheim, Charles
- Beust, Friedrich
- Bevan, W.
- Bevin, Ernest
- Bey
- Bez Zaglávia (Sem Título)
- Bezerra, Gregório
- Bidault, Georges-Augustin
- Bidaut, J. N.
- Biedermann, Aloys Immanuel
- Biemiller, Andrew John
- Bierut, Boleslaw
- Biese, Franz
- Bijedic, Dzemal
- Bilen, Ismail
- Billaut, Auguste-Adolphe Marie
- Billoux, François
- Biloie (O Passado)
- Birjevíe Védomosti (Boletim da Bolsa)
- Biron, Ernst Johann
- Bismarck, Otto Eduard
- Bissolati, Leonida
- Bittleman, Alexander
- Blagovéchenski, Ivan Alekséievitch
- Blaise, Adolphe-Gustave
- Blake, William
- Blakey, Robert
- Blanc, Gaspard
- Blanc, Louis Jean Joseph Charles
- Blanchet, Stanilas (nome verdadeiro Poruille)
- Blanqui, Jérôme-Adolphe
- Blanqui, Louis-Auguste
- Blanquismo
- Blei, Franz
- Bleichröder, Gerson von
- Blind, Karl
- Bloch, Gérard
- Block, Maurice
- Bloco de Bruxelas
- Blos, Wilhelm
- Blum, Léon
- Blum, Robert
- Blumkin, Yakov Grigorevich
- Boboríkne, Piotr Dmítrievitch
- Bóbrinski, Vladímir Alexéievitch
- Boenigk Otto von, barão
- Boffa, Giuseppe
- Bogaévski, Mitrofán Petróvitch
- Bogdánov, A. (Malinóvski, Alexandr Alexándrovitch)
- Bogomolov, Oleg Timoféievitch
- Boguslávski, Mikhail Solómonovitch
- Boguslawski, Albert
- Böhm-Bawerk, Eugen
- Bohm, Jakob
- Boiárski, Aleksandr Ivánovitch
- Boileau, Étienne
- Boileau-Despréaux, Nicolas
- Boisguillebert, Pierre (Pierre le Pesant, Sieur de Boisguilbert)
- Boissy D'Anglas, Jean-Gabriel conde de
- Bolcheviques-partidistas
- Bolchevismo
- Bóldirev, Vassíli Gregórievitch
- Boldrini, Arrigo
- Bolim, Wilhelm
- Bolingbroke, Henry Saint-John, Viscount
- Bolívar, Simón
- Boltzmann, Ludwig
- Bonald, Louis Gabriel Ambroise
- Bonaparte, Jérôme
- Bonaparte, Napoléon-Joseph-Charles-Paul
- Bonapartismo
- Boncour, Joseph Paul
- Bonfim, Orlando
- Bonner, Elena
- Bonnet, Georges
- Bonnet, Marguerite
- Bonte, Florimond
- Bór-Komorowski, Tadeusz
- Borbá (Luta)
- Bordiga, Amadeu
- Borgbjerg, Frederik
- Borges de Medeiros, Antônio Augusto
- Bórine, Konstantine Aleksandrovitch
- Bormann, Martin
- Born, Stephan (Buttermilch, Simon)
- Börne, Ludwig
- Bornstedt, Adalbert von
- Börnstein, Arnold Bernhard Karl
- Borotbistas
- Borsanyi, Julian
- Bosch, Eugenia Bogdanowna (Gotlibiwna)
- Botha, Pieter Willem
- Botha, Roelof Frederik («Pik») Botha
- Bouças, Valentim Fernandes
- Bougeart, Alfred
- Boulton, Matthew Robinson
- Bourbaki, Charles
- Bourderon, Albert
- Bousquet, Abel
- Boves, José Tomás
- Bóvine, Aleksándr Evguénevitch
- Bowring, John
- Boxhorn, Marcus Zuerius
- Bracke, Wilhelm
- Bragration, Dmitri Petróvitch
- Branco, Humberto de Alencar Castelo
- Brandão, Otávio
- Brandenburg, Friedrich Wilhelm, conde
- Brandler, Heinrich
- Branting, Karl Hjalmar
- Braun, Heinrich
- Braun, Stepánov, Serguéi Ivánovitch
- Bray, John Francis
- Brdzola (A Luta)
- Bréa, Jean Baptiste Fidèle
- Brechko-Brechkóvskaia, Ekaterina Konstantínovna
- Brecht, Bertolt
- Breitman, George
- Brendel, Cajo
- Brentanismo
- Brentano, Lorenz Peter Carl
- Brentano, Lujo
- Brest-Litovsk, Paz de
- Breton, André
- Breyner, Sophia de Mello [Andresen]
- Brezhnev, Leonid
- Briand, Aristide
- Bright, John
- Brindley, James
- Brinton, Maurice
- Brión, Luis
- Brissot, Jean-Pierre
- Broadhurst, J.
- Brockway, Archibald Fenner - Barão
- Brodie, Sir Benjamin Collins
- Broglie, Achille-Charles
- Bronstein, P. A. (Iuri)
- Brouckère, Louis de
- Broué, Pierre
- Brougham, Henry Peter
- Brousse, Paul
- Broussistas (Possíbilistas)
- Browder, Earl Russell
- Bruckner, John
- Brúker (Makhnóvets, Lídia Petrovna)
- Brunetière, Ferdinand
- Brüning, Heinrich
- Brunner, Johann Konrad
- Bruno, Giordano
- Brutus, Marcus Junius
- Bryant, Louise
- Brzezinski, Zbigniew Kazimierz
- Búblikov, Alexandr Alexándrovitch
- Bubnov, Andrei
- Buchanan, David
- Buchanan, George William
- Buchez, Philippe
- Büchner, Friedrich Karl Christian Ludwig
- Büchner, Georg
- Buck. Timothy (Tim)
- Buczek, Marian
- Budenz, Louis Francis
- Budionni, M. Semion
- Buey, Francisco Fernández
- Bugeaud de la Piconnerie, Thomas Robert
- Bugge, Sophus
- Bukhárine, Nikolai Ivánovitch
- Bukóvski, Vladímir Konstantínovitch
- Bulgákov, Serguéi Nikoláievitch
- Bulganin, Nikolai
- Bulíguine, Alexandr Grigórievitch
- Búlkine (Semiónov), Fiódor Afanássievitch
- Bülow, Berhard
- Bunbury, Sir Thomas Charles
- Bund (União Geral Operária Judaica da Lituânia, Polónia e Rússia)
- Buonicore, Augusto César
- Burbulis, Guennádi Eduardovitch
- Bureau Socialista Internacional (BSI)
- Bürgers, Heinrich
- Buriánov, Andrei Faddéievitch
- Burke, Edmund
- Burnham, James
- Burns, Emile
- Burns, John Elliot
- Burns, Robert
- Búrtsev, Vladímir Lvóvitch
- Bush, George Herbert Walker
- Bussíguine, Aleksandr Kharítonovitch
- Butenko, Anatoli Pávlovitch
- Butler, Samuel
- Byles, Sir John Barnard
- Byr, Robert (pseudónimo de Bayer, Karl Robert von)
- Byrnes, James Francis