| Yamakawa, Hitoshi (1880-1958) |
Yaroshevsky, Mikhail (b. 1915) |
| Yaroslavsky, Emilian (1878-1943) |
Yedinstvo |
| Yedinstvo group |
Yelizarova-Ulyanova, Anna Ilyinichna (1864-1935) |
| Yellow |
Yoshihara, Taro (b. 1890) |
| Young Comrade |
Young England |
| Young Hegelians |
Young Hegelians (or Left Hegelians) |
| Young Socialist, The (1957 - 1964 and again briefly in the early 1970s) |
Young Spartacus (1931-1934) |
| Young Spartacus (1972-1986) |
Young Turks |
| Young Worker, The |
Young, Robert (1872-1957) |
| Younghusband, George (1859-1944) |
Yuan Shikai (1859-1916) |
| Yudenich, N. N. (1875-1933) |
Yudenich, Nikolai (1862-1933) |