diff --git a/depends/Makefile b/depends/Makefile
--- a/depends/Makefile
+++ b/depends/Makefile
@@ -15,6 +15,7 @@
 NO_WALLET ?=
 NO_ZMQ ?=
 NO_UPNP ?=
+NO_JEMALLOC ?=
 FALLBACK_DOWNLOAD_PATH ?= https://download.bitcoinabc.org/depends-sources
 
 BUILD = $(shell ./config.guess)
@@ -110,6 +111,8 @@
 protobuf_packages_$(NO_PROTOBUF) = $(protobuf_packages)
 rapidcheck_packages_$(RAPIDCHECK) = $(rapidcheck_packages)
 
+jemalloc_packages_$(NO_JEMALLOC) = $(jemalloc_packages)
+
 packages += $($(host_arch)_$(host_os)_packages) $($(host_os)_packages) $(qt_packages_) $(wallet_packages_) $(upnp_packages_)
 native_packages += $($(host_arch)_$(host_os)_native_packages) $($(host_os)_native_packages)
 
@@ -126,6 +129,10 @@
 packages += $(rapidcheck_packages)
 endif
 
+ifneq ($(jemalloc_packages_),)
+packages += $(jemalloc_packages)
+endif
+
 all_packages = $(packages) $(native_packages)
 
 meta_depends = Makefile funcs.mk builders/default.mk hosts/default.mk hosts/$(host_os).mk builders/$(build_os).mk
diff --git a/depends/README.md b/depends/README.md
--- a/depends/README.md
+++ b/depends/README.md
@@ -89,6 +89,7 @@
     NO_ZMQ: Don't download/build/cache packages needed for enabling zeromq
     NO_WALLET: Don't download/build/cache libs needed to enable the wallet
     NO_UPNP: Don't download/build/cache packages needed for enabling upnp
+    NO_JEMALLOC: Don't download/build/cache jemalloc
     DEBUG: disable some optimizations and enable more runtime checking
     RAPIDCHECK: build rapidcheck (experimental, requires cmake)
     NO_PROTOBUF: Don't download/build/cache protobuf (used for BIP70 support)
diff --git a/depends/packages/jemalloc.mk b/depends/packages/jemalloc.mk
new file mode 100644
--- /dev/null
+++ b/depends/packages/jemalloc.mk
@@ -0,0 +1,21 @@
+package=jemalloc
+$(package)_version=5.2.1
+$(package)_download_path=https://github.com/jemalloc/jemalloc/releases/download/$($(package)_version)
+$(package)_file_name=jemalloc-$($(package)_version).tar.bz2
+$(package)_sha256_hash=34330e5ce276099e2e8950d9335db5a875689a4c6a56751ef3b1d8c537f887f6
+
+define $(package)_set_vars
+$(package)_config_opts=--disable-libdl --disable-shared --enable-cxx --enable-option-checking
+endef
+
+define $(package)_config_cmds
+  $($(package)_autoconf)
+endef
+
+define $(package)_build_cmds
+  $(MAKE) -j$(JOBS)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install
+endef
diff --git a/depends/packages/packages.mk b/depends/packages/packages.mk
--- a/depends/packages/packages.mk
+++ b/depends/packages/packages.mk
@@ -25,3 +25,5 @@
 ifneq ($(build_os),darwin)
 darwin_native_packages += native_cctools native_cdrkit native_libdmg-hfsplus
 endif
+
+jemalloc_packages = jemalloc
diff --git a/doc/dependencies.md b/doc/dependencies.md
--- a/doc/dependencies.md
+++ b/doc/dependencies.md
@@ -14,6 +14,7 @@
 | FreeType | [2.7.1](http://download.savannah.gnu.org/releases/freetype) |  | No |  |  |
 | GCC |  | [5.0](https://gcc.gnu.org/) (C++14 support) |  |  |  |
 | HarfBuzz-NG |  |  |  |  |  |
+| jemalloc | [5.2.1](https://github.com/jemalloc/jemalloc/releases) |  |  |  |  |
 | libevent | [2.1.11-stable](https://github.com/libevent/libevent/releases) | 2.0.22 | No |  |  |
 | libpng |  |  |  |  | Yes |
 | libsrvg | |  |  |  |  |