diff --git a/interpreters/toywasm/Kconfig b/interpreters/toywasm/Kconfig
new file mode 100644
index 000000000..aa71eb526
--- /dev/null
+++ b/interpreters/toywasm/Kconfig
@@ -0,0 +1,20 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config INTERPRETERS_TOYWASM
+	tristate "Toywasm Webassembly Runtime"
+	default n
+
+if INTERPRETERS_TOYWASM
+
+config INTERPRETERS_TOYWASM_PRIORITY
+	int "Toywasm cli priority"
+	default 100
+
+config INTERPRETERS_TOYWASM_STACKSIZE
+	int "Toywasm cil stack size"
+	default DEFAULT_TASK_STACKSIZE
+
+endif
diff --git a/interpreters/toywasm/Make.defs b/interpreters/toywasm/Make.defs
new file mode 100644
index 000000000..70dcf9673
--- /dev/null
+++ b/interpreters/toywasm/Make.defs
@@ -0,0 +1,23 @@
+############################################################################
+# apps/interpreters/toywasm/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+ifneq ($(CONFIG_INTERPRETERS_TOYWASM),)
+CONFIGURED_APPS += $(APPDIR)/interpreters/toywasm
+endif
diff --git a/interpreters/toywasm/Makefile b/interpreters/toywasm/Makefile
new file mode 100644
index 000000000..758bce9e2
--- /dev/null
+++ b/interpreters/toywasm/Makefile
@@ -0,0 +1,89 @@
+############################################################################
+# apps/interpreters/toywasm/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+include $(APPDIR)/Make.defs
+
+PROGNAME  = toywasm
+PRIORITY  = $(CONFIG_INTERPRETERS_TOYWASM_PRIORITY)
+STACKSIZE = $(CONFIG_INTERPRETERS_TOYWASM_STACKSIZE)
+MODULE    = $(CONFIG_INTERPRETERS_TOYWASM)
+
+MAINSRC = main.c
+
+CSRCS += bitmap.c
+CSRCS += cell.c
+CSRCS += context.c
+CSRCS += decode.c
+CSRCS += endian.c
+CSRCS += exec.c
+CSRCS += expr.c
+CSRCS += fileio.c
+CSRCS += host_instance.c
+CSRCS += import_object.c
+CSRCS += insn.c
+CSRCS += instance.c
+CSRCS += leb128.c
+CSRCS += module.c
+CSRCS += module_writer.c
+CSRCS += repl.c
+CSRCS += report.c
+CSRCS += type.c
+CSRCS += util.c
+CSRCS += validation.c
+CSRCS += vec.c
+CSRCS += wasi.c
+CSRCS += xlog.c
+
+CFLAGS += -DTOYWASM_USE_SEPARATE_EXECUTE
+CFLAGS += -DTOYWASM_USE_TAILCALL
+CFLAGS += -DTOYWASM_USE_JUMP_BINARY_SEARCH
+CFLAGS += -DTOYWASM_JUMP_CACHE2_SIZE=4
+CFLAGS += -DTOYWASM_USE_SEPARATE_LOCALS
+CFLAGS += -DTOYWASM_USE_SMALL_CELLS
+CFLAGS += -DTOYWASM_ENABLE_WRITER
+
+TOYWASM_VERSION  = de70389cd98ad6e4ce9098197b86f249a56d7053
+TOYWASM_UNPACK   = toywasm
+TOYWASM_TARBALL  = $(TOYWASM_VERSION).zip
+TOYWASM_URL_BASE = https://github.com/yamt/toywasm/archive/
+TOYWASM_URL      = $(TOYWASM_URL_BASE)/$(TOYWASM_TARBALL)
+
+VPATH += $(TOYWASM_UNPACK)
+
+$(TOYWASM_TARBALL):
+	$(Q) echo "Downloading $(TOYWASM_TARBALL)"
+	$(Q) curl -O -L $(TOYWASM_URL)
+
+$(TOYWASM_UNPACK): $(TOYWASM_TARBALL)
+	$(Q) echo "Unpacking $(TOYWASM_TARBALL) to $(TOYWASM_UNPACK)"
+	$(Q) unzip $(TOYWASM_TARBALL)
+	$(Q) mv toywasm-$(TOYWASM_VERSION) $(TOYWASM_UNPACK)
+	$(Q) touch $(TOYWASM_UNPACK)
+
+# Download and unpack tarball if no git repo found
+ifeq ($(wildcard $(TOYWASM_UNPACK)/.git),)
+context:: $(TOYWASM_UNPACK)
+
+distclean::
+	$(call DELDIR, $(TOYWASM_UNPACK))
+	$(call DELFILE, $(TOYWASM_TARBALL))
+endif
+
+include $(APPDIR)/Application.mk