diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 84461490835..be8d956f316 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1265,6 +1265,7 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
   {"zvbb",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zvbc",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zvkg",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
+  {"zvkned",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zvl32b",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zvl64b",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zvl128b",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
@@ -2436,6 +2437,8 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps,
       return riscv_subset_supports (rps, "zvbc");
     case INSN_CLASS_ZVKG:
       return riscv_subset_supports (rps, "zvkg");
+    case INSN_CLASS_ZVKNED:
+      return riscv_subset_supports (rps, "zvkned");
     case INSN_CLASS_SVINVAL:
       return riscv_subset_supports (rps, "svinval");
     case INSN_CLASS_H:
@@ -2630,6 +2633,8 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
       return _("zvbc");
     case INSN_CLASS_ZVKG:
       return _("zvkg");
+    case INSN_CLASS_ZVKNED:
+      return _("zvkned");
     case INSN_CLASS_SVINVAL:
       return "svinval";
     case INSN_CLASS_H:
diff --git a/gas/testsuite/gas/riscv/zvkned.d b/gas/testsuite/gas/riscv/zvkned.d
new file mode 100644
index 00000000000..0b09da9dbc2
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zvkned.d
@@ -0,0 +1,21 @@
+#as: -march=rv64gc_zvkned
+#objdump: -dr
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+0+000 <.text>:
+[ 	]+[0-9a-f]+:[ 	]+a280a277[ 	]+vaesdf.vv[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+a680a277[ 	]+vaesdf.vs[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+a2802277[ 	]+vaesdm.vv[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+a6802277[ 	]+vaesdm.vs[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+a281a277[ 	]+vaesef.vv[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+a681a277[ 	]+vaesef.vs[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+a2812277[ 	]+vaesem.vv[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+a6812277[ 	]+vaesem.vs[ 	]+v4,v8
+[ 	]+[0-9a-f]+:[ 	]+8a812277[ 	]+vaeskf1.vi[ 	]+v4,v8,2
+[ 	]+[0-9a-f]+:[ 	]+8a872277[ 	]+vaeskf1.vi[ 	]+v4,v8,14
+[ 	]+[0-9a-f]+:[ 	]+aa812277[ 	]+vaeskf2.vi[ 	]+v4,v8,2
+[ 	]+[0-9a-f]+:[ 	]+aa872277[ 	]+vaeskf2.vi[ 	]+v4,v8,14
+[ 	]+[0-9a-f]+:[ 	]+a683a277[ 	]+vaesz.vs[ 	]+v4,v8
diff --git a/gas/testsuite/gas/riscv/zvkned.s b/gas/testsuite/gas/riscv/zvkned.s
new file mode 100644
index 00000000000..f0f3811eaec
--- /dev/null
+++ b/gas/testsuite/gas/riscv/zvkned.s
@@ -0,0 +1,13 @@
+	vaesdf.vv v4, v8
+	vaesdf.vs v4, v8
+	vaesdm.vv v4, v8
+	vaesdm.vs v4, v8
+	vaesef.vv v4, v8
+	vaesef.vs v4, v8
+	vaesem.vv v4, v8
+	vaesem.vs v4, v8
+	vaeskf1.vi v4, v8, 2
+	vaeskf1.vi v4, v8, 14
+	vaeskf2.vi v4, v8, 2
+	vaeskf2.vi v4, v8, 14
+	vaesz.vs v4, v8
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index 8b4b3b2662c..b8c3834b819 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -2168,6 +2168,29 @@
 #define MASK_VGHSH_VV 0xfe00707f
 #define MATCH_VGMUL_VV 0xa208a077
 #define MASK_VGMUL_VV 0xfe0ff07f
+/* Zvkned instructions.  */
+#define MATCH_VAESDF_VS 0xa600a077
+#define MASK_VAESDF_VS 0xfe0ff07f
+#define MATCH_VAESDF_VV 0xa200a077
+#define MASK_VAESDF_VV 0xfe0ff07f
+#define MATCH_VAESDM_VS 0xa6002077
+#define MASK_VAESDM_VS 0xfe0ff07f
+#define MATCH_VAESDM_VV 0xa2002077
+#define MASK_VAESDM_VV 0xfe0ff07f
+#define MATCH_VAESEF_VS 0xa601a077
+#define MASK_VAESEF_VS 0xfe0ff07f
+#define MATCH_VAESEF_VV 0xa201a077
+#define MASK_VAESEF_VV 0xfe0ff07f
+#define MATCH_VAESEM_VS 0xa6012077
+#define MASK_VAESEM_VS 0xfe0ff07f
+#define MATCH_VAESEM_VV 0xa2012077
+#define MASK_VAESEM_VV 0xfe0ff07f
+#define MATCH_VAESKF1_VI 0x8a002077
+#define MASK_VAESKF1_VI 0xfe00707f
+#define MATCH_VAESKF2_VI 0xaa002077
+#define MASK_VAESKF2_VI 0xfe00707f
+#define MATCH_VAESZ_VS 0xa603a077
+#define MASK_VAESZ_VS 0xfe0ff07f
 /* Svinval instruction.  */
 #define MATCH_SINVAL_VMA 0x16000073
 #define MASK_SINVAL_VMA 0xfe007fff
@@ -3302,6 +3325,18 @@ DECLARE_INSN(vclmulh_vx, MATCH_VCLMULH_VX, MASK_VCLMULH_VX)
 /* Zvkg instructions.  */
 DECLARE_INSN(vghsh_vv, MATCH_VGHSH_VV, MASK_VGHSH_VV)
 DECLARE_INSN(vgmul_vv, MATCH_VGMUL_VV, MASK_VGMUL_VV)
+/* Zvkned instructions.  */
+DECLARE_INSN(vaesdf_vs, MATCH_VAESDF_VS, MASK_VAESDF_VS)
+DECLARE_INSN(vaesdf_vv, MATCH_VAESDF_VV, MASK_VAESDF_VV)
+DECLARE_INSN(vaesdm_vs, MATCH_VAESDM_VS, MASK_VAESDM_VS)
+DECLARE_INSN(vaesdm_vv, MATCH_VAESDM_VV, MASK_VAESDM_VV)
+DECLARE_INSN(vaesef_vs, MATCH_VAESEF_VS, MASK_VAESEF_VS)
+DECLARE_INSN(vaesef_vv, MATCH_VAESEF_VV, MASK_VAESEF_VV)
+DECLARE_INSN(vaesem_vs, MATCH_VAESEM_VS, MASK_VAESEM_VS)
+DECLARE_INSN(vaesem_vv, MATCH_VAESEM_VV, MASK_VAESEM_VV)
+DECLARE_INSN(vaeskf1_vi, MATCH_VAESKF1_VI, MASK_VAESKF1_VI)
+DECLARE_INSN(vaeskf2_vi, MATCH_VAESKF2_VI, MASK_VAESKF2_VI)
+DECLARE_INSN(vaesz_vs, MATCH_VAESZ_VS, MASK_VAESZ_VS)
 /* Vendor-specific (T-Head) XTheadBa instructions.  */
 DECLARE_INSN(th_addsl, MATCH_TH_ADDSL, MASK_TH_ADDSL)
 /* Vendor-specific (T-Head) XTheadBb instructions.  */
diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h
index b2098867a19..5d55dbcedf3 100644
--- a/include/opcode/riscv.h
+++ b/include/opcode/riscv.h
@@ -417,6 +417,7 @@ enum riscv_insn_class
   INSN_CLASS_ZVBB,
   INSN_CLASS_ZVBC,
   INSN_CLASS_ZVKG,
+  INSN_CLASS_ZVKNED,
   INSN_CLASS_SVINVAL,
   INSN_CLASS_ZICBOM,
   INSN_CLASS_ZICBOP,
diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index b2aadb1bc79..175cf5cc94f 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -1912,6 +1912,19 @@ const struct riscv_opcode riscv_opcodes[] =
 {"vghsh.vv",   0, INSN_CLASS_ZVKG, "Vd,Vt,Vs", MATCH_VGHSH_VV, MASK_VGHSH_VV, match_opcode, 0},
 {"vgmul.vv",   0, INSN_CLASS_ZVKG, "Vd,Vt", MATCH_VGMUL_VV, MASK_VGMUL_VV, match_opcode, 0},
 
+/* Zvkned instructions.  */
+{"vaesdf.vv",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESDF_VV, MASK_VAESDF_VV, match_opcode, 0},
+{"vaesdf.vs",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESDF_VS, MASK_VAESDF_VV, match_opcode, 0},
+{"vaesdm.vv",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESDM_VV, MASK_VAESDM_VV, match_opcode, 0},
+{"vaesdm.vs",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESDM_VS, MASK_VAESDM_VV, match_opcode, 0},
+{"vaesef.vv",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESEF_VV, MASK_VAESEF_VV, match_opcode, 0},
+{"vaesef.vs",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESEF_VS, MASK_VAESEF_VV, match_opcode, 0},
+{"vaesem.vv",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESEM_VV, MASK_VAESEM_VV, match_opcode, 0},
+{"vaesem.vs",   0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESEM_VS, MASK_VAESEM_VV, match_opcode, 0},
+{"vaeskf1.vi",   0, INSN_CLASS_ZVKNED, "Vd,Vt,Vj", MATCH_VAESKF1_VI, MASK_VAESKF1_VI, match_opcode, 0},
+{"vaeskf2.vi",   0, INSN_CLASS_ZVKNED, "Vd,Vt,Vj", MATCH_VAESKF2_VI, MASK_VAESKF2_VI, match_opcode, 0},
+{"vaesz.vs",     0, INSN_CLASS_ZVKNED, "Vd,Vt", MATCH_VAESZ_VS, MASK_VAESZ_VS, match_opcode, 0},
+
 /* Supervisor instructions.  */
 {"csrr",       0, INSN_CLASS_ZICSR, "d,E",   MATCH_CSRRS, MASK_CSRRS|MASK_RS1, match_opcode, INSN_ALIAS },
 {"csrw",       0, INSN_CLASS_ZICSR, "E,s",   MATCH_CSRRW, MASK_CSRRW|MASK_RD, match_opcode, INSN_ALIAS },
