diff --git a/Library/Homebrew/cli/args.rbi b/Library/Homebrew/cli/args.rbi
index 5e2751c0c7..69ff5360b8 100644
--- a/Library/Homebrew/cli/args.rbi
+++ b/Library/Homebrew/cli/args.rbi
@@ -105,6 +105,12 @@ module Homebrew
       sig { returns(T::Boolean) }
       def installed?; end
 
+      sig { returns(T::Boolean) }
+      def installed_on_request?; end
+
+      sig { returns(T::Boolean) }
+      def installed_as_dependency?; end
+
       sig { returns(T::Boolean) }
       def all?; end
 
diff --git a/Library/Homebrew/cmd/leaves.rb b/Library/Homebrew/cmd/leaves.rb
index 178d94ed0e..1c003b4b96 100644
--- a/Library/Homebrew/cmd/leaves.rb
+++ b/Library/Homebrew/cmd/leaves.rb
@@ -15,14 +15,35 @@ module Homebrew
       description <<~EOS
         List installed formulae that are not dependencies of another installed formula.
       EOS
+      switch "-r", "--installed-on-request",
+             description: "Only list leaves that were manually installed."
+      switch "-p", "--installed-as-dependency",
+             description: "Only list leaves that were installed as dependencies."
+
+      conflicts "--installed-on-request", "--installed-as-dependency"
 
       named_args :none
     end
   end
 
-  def leaves
-    leaves_args.parse
+  def installed_on_request?(formula)
+    Tab.for_keg(formula.any_installed_keg).installed_on_request
+  end
 
-    Formula.installed_formulae_with_no_dependents.map(&:full_name).sort.each(&method(:puts))
+  def installed_as_dependency?(formula)
+    Tab.for_keg(formula.any_installed_keg).installed_as_dependency
+  end
+
+  def leaves
+    args = leaves_args.parse
+
+    leaves_list = Formula.installed_formulae_with_no_dependents
+
+    leaves_list.select!(&method(:installed_on_request?)) if args.installed_on_request?
+    leaves_list.select!(&method(:installed_as_dependency?)) if args.installed_as_dependency?
+
+    leaves_list.map(&:full_name)
+               .sort
+               .each(&method(:puts))
   end
 end
diff --git a/completions/bash/brew b/completions/bash/brew
index a3a79b154e..85828ae500 100644
--- a/completions/bash/brew
+++ b/completions/bash/brew
@@ -1170,6 +1170,8 @@ _brew_leaves() {
       __brewcomp "
       --debug
       --help
+      --installed-as-dependency
+      --installed-on-request
       --quiet
       --verbose
       "
diff --git a/completions/fish/brew.fish b/completions/fish/brew.fish
index 7af2c0f4ea..dfb557694d 100644
--- a/completions/fish/brew.fish
+++ b/completions/fish/brew.fish
@@ -845,6 +845,8 @@ __fish_brew_complete_arg 'irb' -l verbose -d 'Make some output more verbose'
 __fish_brew_complete_cmd 'leaves' 'List installed formulae that are not dependencies of another installed formula'
 __fish_brew_complete_arg 'leaves' -l debug -d 'Display any debugging information'
 __fish_brew_complete_arg 'leaves' -l help -d 'Show this message'
+__fish_brew_complete_arg 'leaves' -l installed-as-dependency -d 'Only list leaves that were installed as dependencies'
+__fish_brew_complete_arg 'leaves' -l installed-on-request -d 'Only list leaves that were manually installed'
 __fish_brew_complete_arg 'leaves' -l quiet -d 'Make some output more quiet'
 __fish_brew_complete_arg 'leaves' -l verbose -d 'Make some output more verbose'
 
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index 2ccd77924e..f6ec992832 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -1037,6 +1037,8 @@ _brew_leaves() {
   _arguments \
     '--debug[Display any debugging information]' \
     '--help[Show this message]' \
+    '(--installed-on-request)--installed-as-dependency[Only list leaves that were installed as dependencies]' \
+    '(--installed-as-dependency)--installed-on-request[Only list leaves that were manually installed]' \
     '--quiet[Make some output more quiet]' \
     '--verbose[Make some output more verbose]'
 }
diff --git a/docs/Manpage.md b/docs/Manpage.md
index 5ab6404ff6..4846bbefa6 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -313,10 +313,15 @@ the installed formulae or, every 30 days, for all formulae.
 * `--skip-cask-deps`:
   Skip installing cask dependencies.
 
-### `leaves`
+### `leaves` [*`--installed-on-request`*] [*`--installed-as-dependency`*]
 
 List installed formulae that are not dependencies of another installed formula.
 
+* `-r`, `--installed-on-request`:
+  Only list leaves that were manually installed.
+* `-p`, `--installed-as-dependency`:
+  Only list leaves that were installed as dependencies.
+
 ### `link`, `ln` [*`options`*] *`installed_formula`* [...]
 
 Symlink all of *`formula`*'s installed files into Homebrew's prefix. This
diff --git a/manpages/brew.1 b/manpages/brew.1
index 5bbf40cfb1..3323bbdaca 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -424,9 +424,17 @@ Disable/enable quarantining of downloads (default: enabled)\.
 \fB\-\-skip\-cask\-deps\fR
 Skip installing cask dependencies\.
 .
-.SS "\fBleaves\fR"
+.SS "\fBleaves\fR [\fI\-\-installed\-on\-request\fR] [\fI\-\-installed\-as\-dependency\fR]"
 List installed formulae that are not dependencies of another installed formula\.
 .
+.TP
+\fB\-r\fR, \fB\-\-installed\-on\-request\fR
+Only list leaves that were manually installed\.
+.
+.TP
+\fB\-p\fR, \fB\-\-installed\-as\-dependency\fR
+Only list leaves that were installed as dependencies\.
+.
 .SS "\fBlink\fR, \fBln\fR [\fIoptions\fR] \fIinstalled_formula\fR [\.\.\.]"
 Symlink all of \fIformula\fR\'s installed files into Homebrew\'s prefix\. This is done automatically when you install formulae but can be useful for DIY installations\.
 .