For more details on the information below, look at Carry Sublette's Nuclear Weapons FAQ, section 7.2.1.3.
In any case, the information is nowhere complete and that's just fine by us. Don't write to ask for more, this is what was verifiable in December of 1995.
Desig Country Used On Yield each W-56 USA Minuteman II (LGM-30F) ~1.2MT W-62 USA Minuteman III (LGM-30G) 170KT W-68 USA Poseidon (UGM-73) 40KT (usually MIRVs of 10) W-69 USA SRAM (AGM-69) 250KT W-76 USA Poseidon (UGM-73) 100KT (usually MIRVs of 14) W-76 USA Trident I (C-4) 100KT (usually MIRVs of 8) W-78 USA Minuteman III (LGM-30G) 335KT (usually MIRVs of 3) W-80 USA SLACM 5-150KT W-80-1 USA ALCM/ACM 5-150KT W-84 USA GLCM 10-50KT W-87-0 USA Peacekeeper (MGM-118A) 300KT (usually MIRVs of 10) W-88 USA Trident II (D-5) mkV 475KT (usually MIRVs of 8) A-3/TK USA Polaris 200KT (usually MIRVs of 3) Desig Country Used On Yield each SS-11m1 USSR SS-11 1MT to 20MT SS-11m3 USSR SS-11 250KT (usually MIRVS of 3) SS-13 USSR SS-13 660-750KT SS-17m1 USSR SS-17 200KT (usually MIRVs of 4) SS-17m2 USSR SS-17 3.6MT SS-17m3 USSR SS-17 750KT (usually MIRVs of 4) SS-18m1 USSR SS-18 (RS-20, R-36N) 25MT SS-18m2 USSR SS-18 500KT (usually MIRVs - 8 or 10) SS-18m3 USSR SS-18 20MT SS-18m4 USSR SS-18 550KT (usually MIRVs of 10) SS-19m1 USSR SS-19 (RS-18, UR-100NU) 200KT (usually MIRVs of 6) SS-19m2 USSR SS-19 4MT SS-19m3 USSR SS-19 550KT (usually MIRVs of 6) SS-24 USSR SS-24 (RS-22, RT-23U) 100KT (usually MIRVS - 8 or 10) SS-25 USSR SS-25 (RS-12M, RT-2PM) 550KT Desig Country Used On Yield each SS-N-6m1 USSR SS-N-6 1MT SS-N-6m2 USSR SS-N-6 1MT SS-N-6m3 USSR SS-N-6 350KT (usually MIRVs of 2) SS-N-8m1 USSR SS-N-8 500KT SS-N-8m2 USSR SS-N-8 800KT SS-N-12 USSR SS-N-12/SS-C-4/AS-15 250KT SS-N-17 USSR SS-N-17 500KT SS-N-18m1 USSR SS-N-18 (RSM-50) 500KT (usually MIRVs of 3) SS-N-18m2 USSR SS-N-18 450KT SS-N-18m3 USSR SS-N-18 500KT (usually MIRVs of 5) SS-N-20 USSR SS-N-20 (RSM-52) 100KT (usually MIRVs of 6 to 9) SS-N-23 USSR SS-N-23 (RSM-54), Typhoon 350KT (usually MIRVs of 10) Desig Country Used On Yield each TN-51 France Pluton 10-25KT TN-61 France SSBS S-3D 1.0-1.2MT TN-70 France MSBS M-4 150KT (usually MIRVs of 6) TN-71 France MSBS M-4 150KT (usually MIRVs of 6) TN-80 France ASMP 300KT TN-81 France ASMP 300KT TN-90 France Hades Variable TK 100 UK Polaris 40KT CSS-3 China CSS-3 2.0MT CSS-4 China CSS-4 4.5MT
Desig Country Used On Yield each Total Bombs B-61 (-3,4,10) USA B-52H 10-100KT 12 W-83 USA B-52H low to 1.2MT 12 ALCM (AGM-86B) USA B-52H 5-150KT 20 ACM USA B-52H 5-150KT 20 B-61 (-7,11) USA B-2A 10-300KT 16 Bomb USSR Bear H6 TU-95 6.34MT 6 Bomb USSR Bear H16 TU-95 9.0MT 16 AS-15B USSR Blackjack TU-160 1.5MT 12 TN-80 France ASMP-Mirage IVP 300KT 1 TN-81 France ASMP-Mirage 2000N 300KT 1 TN-81 France ASMP-Sup. Etendard 300KT 1 WE 177A/B UK Tornado GR.1 200-400KT 1-2 WE 177A/B UK Buccaneer S2B 200-400KT 1 bomb China Hong-5 (B-5) ? 1 bomb China Hong-6 (B-6) 50i-60KT 1-3