diff --git a/cmd/git-chglog/config.go b/cmd/git-chglog/config.go
index 83f1a9ed..a81340ee 100644
--- a/cmd/git-chglog/config.go
+++ b/cmd/git-chglog/config.go
@@ -108,6 +108,10 @@ func (config *Config) normalizeStyle() {
 	switch config.Style {
 	case "github":
 		config.normalizeStyleOfGitHub()
+	case "gitlab":
+		config.normalizeStyleOfGitLab()
+	case "bitbucket":
+		config.normalizeStyleOfBitbucket()
 	}
 }
 
@@ -184,6 +188,61 @@ func (config *Config) normalizeStyleOfGitLab() {
 	config.Options = opts
 }
 
+// For Bitbucket
+func (config *Config) normalizeStyleOfBitbucket() {
+	opts := config.Options
+
+	if len(opts.Issues.Prefix) == 0 {
+		opts.Issues.Prefix = []string{
+			"#",
+		}
+	}
+
+	if len(opts.Refs.Actions) == 0 {
+		opts.Refs.Actions = []string{
+			"close",
+			"closes",
+			"closed",
+			"closing",
+			"fix",
+			"fixed",
+			"fixes",
+			"fixing",
+			"resolve",
+			"resolves",
+			"resolved",
+			"resolving",
+			"eopen",
+			"reopens",
+			"reopening",
+			"hold",
+			"holds",
+			"holding",
+			"wontfix",
+			"invalidate",
+			"invalidates",
+			"invalidated",
+			"invalidating",
+			"addresses",
+			"re",
+			"references",
+			"ref",
+			"refs",
+			"see",
+		}
+	}
+
+	if opts.Merges.Pattern == "" && len(opts.Merges.PatternMaps) == 0 {
+		opts.Merges.Pattern = "^Merged in (.*) \\(pull request #(\\d+)\\)$"
+		opts.Merges.PatternMaps = []string{
+			"Source",
+			"Ref",
+		}
+	}
+
+	config.Options = opts
+}
+
 // Convert ...
 func (config *Config) Convert(ctx *CLIContext) *chglog.Config {
 	info := config.Info
diff --git a/cmd/git-chglog/custom_template_builder.go b/cmd/git-chglog/custom_template_builder.go
index 48487cff..eba8aa11 100644
--- a/cmd/git-chglog/custom_template_builder.go
+++ b/cmd/git-chglog/custom_template_builder.go
@@ -51,6 +51,9 @@ func (*customTemplateBuilderImpl) versionHeader(style, template string) string {
 	case styleGitHub, styleGitLab:
 		tpl = "<a name=\"{{.Tag.Name}}\"></a>\n"
 		tagName = "{{if .Tag.Previous}}[{{.Tag.Name}}]({{$.Info.RepositoryURL}}/compare/{{.Tag.Previous.Name}}...{{.Tag.Name}}){{else}}{{.Tag.Name}}{{end}}"
+	case styleBitbucket:
+		tpl = "<a name=\"{{.Tag.Name}}\"></a>\n"
+		tagName = "{{if .Tag.Previous}}[{{.Tag.Name}}]({{$.Info.RepositoryURL}}/compare/{{.Tag.Name}}..{{.Tag.Previous.Name}}){{else}}{{.Tag.Name}}{{end}}"
 	}
 
 	// format
@@ -113,7 +116,7 @@ func (t *customTemplateBuilderImpl) merges(style string) string {
 	var title string
 
 	switch style {
-	case styleGitHub:
+	case styleGitHub, styleBitbucket:
 		title = "Pull Requests"
 	case styleGitLab:
 		title = "Merge Requests"
diff --git a/cmd/git-chglog/kac_template_builder.go b/cmd/git-chglog/kac_template_builder.go
index d929063a..5c0e816e 100644
--- a/cmd/git-chglog/kac_template_builder.go
+++ b/cmd/git-chglog/kac_template_builder.go
@@ -47,7 +47,7 @@ func (t *kacTemplateBuilderImpl) versionHeader(style string) string {
 	)
 
 	switch style {
-	case styleGitHub, styleGitLab:
+	case styleGitHub, styleGitLab, styleBitbucket:
 		tagName = "{{if .Tag.Previous}}[{{.Tag.Name}}]{{else}}{{.Tag.Name}}{{end}}"
 	}
 
@@ -85,7 +85,7 @@ func (t *kacTemplateBuilderImpl) merges(style string) string {
 	var title string
 
 	switch style {
-	case styleGitHub:
+	case styleGitHub, styleBitbucket:
 		title = "Pull Requests"
 	case styleGitLab:
 		title = "Merge Requests"
@@ -114,6 +114,11 @@ func (*kacTemplateBuilderImpl) footer(style string) string {
 		return `{{if .Versions}}
 [Unreleased]: {{.Info.RepositoryURL}}/compare/{{$latest := index .Versions 0}}{{$latest.Tag.Name}}...HEAD{{range .Versions}}{{if .Tag.Previous}}
 [{{.Tag.Name}}]: {{$.Info.RepositoryURL}}/compare/{{.Tag.Previous.Name}}...{{.Tag.Name}}{{end}}{{end}}
+{{end}}`
+	case styleBitbucket:
+		return `{{if .Versions}}
+[Unreleased]: {{.Info.RepositoryURL}}/compare/HEAD..{{$latest := index .Versions 0}}{{$latest.Tag.Name}}{{range .Versions}}{{if .Tag.Previous}}
+[{{.Tag.Name}}]: {{$.Info.RepositoryURL}}/compare/{{.Tag.Name}}..{{.Tag.Previous.Name}}{{end}}{{end}}
 {{end}}`
 	default:
 		return ""
diff --git a/cmd/git-chglog/processor_factory.go b/cmd/git-chglog/processor_factory.go
index 7122c4a3..2d8fb32e 100644
--- a/cmd/git-chglog/processor_factory.go
+++ b/cmd/git-chglog/processor_factory.go
@@ -16,8 +16,9 @@ type ProcessorFactory struct {
 func NewProcessorFactory() *ProcessorFactory {
 	return &ProcessorFactory{
 		hostRegistry: map[string]string{
-			"github": "github.com",
-			"gitlab": "gitlab.com",
+			"github":    "github.com",
+			"gitlab":    "gitlab.com",
+			"bitbucket": "bitbucket.org",
 		},
 	}
 }
@@ -46,6 +47,10 @@ func (factory *ProcessorFactory) Create(config *Config) (chglog.Processor, error
 		return &chglog.GitLabProcessor{
 			Host: fmt.Sprintf("%s://%s", obj.Scheme, obj.Host),
 		}, nil
+	case "bitbucket.org":
+		return &chglog.BitbucketProcessor{
+			Host: fmt.Sprintf("%s://%s", obj.Scheme, obj.Host),
+		}, nil
 	default:
 		return nil, nil
 	}
diff --git a/cmd/git-chglog/processor_factory_test.go b/cmd/git-chglog/processor_factory_test.go
index 32fd1234..f9d5c5bc 100644
--- a/cmd/git-chglog/processor_factory_test.go
+++ b/cmd/git-chglog/processor_factory_test.go
@@ -92,3 +92,39 @@ func TestProcessorFactoryForGitLab(t *testing.T) {
 		processor,
 	)
 }
+
+func TestProcessorFactoryForBitbucket(t *testing.T) {
+	assert := assert.New(t)
+	factory := NewProcessorFactory()
+
+	// bitbucket.org
+	processor, err := factory.Create(&Config{
+		Info: Info{
+			RepositoryURL: "https://bitbucket.org/owner/repo",
+		},
+	})
+
+	assert.Nil(err)
+	assert.Equal(
+		&chglog.BitbucketProcessor{
+			Host: "https://bitbucket.org",
+		},
+		processor,
+	)
+
+	// self-hosted
+	processor, err = factory.Create(&Config{
+		Style: "bitbucket",
+		Info: Info{
+			RepositoryURL: "https://original-gitserver.com/owner/repo",
+		},
+	})
+
+	assert.Nil(err)
+	assert.Equal(
+		&chglog.BitbucketProcessor{
+			Host: "https://original-gitserver.com",
+		},
+		processor,
+	)
+}
diff --git a/cmd/git-chglog/variables.go b/cmd/git-chglog/variables.go
index 92132c3f..cfb90c79 100644
--- a/cmd/git-chglog/variables.go
+++ b/cmd/git-chglog/variables.go
@@ -14,12 +14,14 @@ var (
 
 // Styles
 var (
-	styleGitHub = "github"
-	styleGitLab = "gitlab"
-	styleNone   = "none"
-	styles      = []string{
+	styleGitHub    = "github"
+	styleGitLab    = "gitlab"
+	styleBitbucket = "bitbucket"
+	styleNone      = "none"
+	styles         = []string{
 		styleGitHub,
 		styleGitLab,
+		styleBitbucket,
 		styleNone,
 	}
 )
diff --git a/processor.go b/processor.go
index d5da974f..9b46d387 100644
--- a/processor.go
+++ b/processor.go
@@ -120,3 +120,58 @@ func (p *GitLabProcessor) addLinks(input string) string {
 
 	return input
 }
+
+// BitbucketProcessor is optimized for CHANGELOG used in Bitbucket
+//
+// The following processing is performed
+//  - Mentions automatic link (@tsuyoshiwada -> [@tsuyoshiwada](https://bitbucket.org/tsuyoshiwada/))
+//  - Automatic link to references (#123 -> [#123](https://bitbucket.org/owner/repo/issues/123/))
+type BitbucketProcessor struct {
+	Host      string // Host name used for link destination. Note: You must include the protocol (e.g. "https://bitbucket.org")
+	config    *Config
+	reMention *regexp.Regexp
+	reIssue   *regexp.Regexp
+}
+
+// Bootstrap ...
+func (p *BitbucketProcessor) Bootstrap(config *Config) {
+	p.config = config
+
+	if p.Host == "" {
+		p.Host = "https://bitbucket.org"
+	} else {
+		p.Host = strings.TrimRight(p.Host, "/")
+	}
+
+	p.reMention = regexp.MustCompile("@(\\w+)")
+	p.reIssue = regexp.MustCompile("(?i)#(\\d+)")
+}
+
+// ProcessCommit ...
+func (p *BitbucketProcessor) ProcessCommit(commit *Commit) *Commit {
+	commit.Header = p.addLinks(commit.Header)
+	commit.Subject = p.addLinks(commit.Subject)
+	commit.Body = p.addLinks(commit.Body)
+
+	for _, note := range commit.Notes {
+		note.Body = p.addLinks(note.Body)
+	}
+
+	if commit.Revert != nil {
+		commit.Revert.Header = p.addLinks(commit.Revert.Header)
+	}
+
+	return commit
+}
+
+func (p *BitbucketProcessor) addLinks(input string) string {
+	repoURL := strings.TrimRight(p.config.Info.RepositoryURL, "/")
+
+	// mentions
+	input = p.reMention.ReplaceAllString(input, "[@$1]("+p.Host+"/$1/)")
+
+	// issues
+	input = p.reIssue.ReplaceAllString(input, "[#$1]("+repoURL+"/issues/$1/)")
+
+	return input
+}
diff --git a/processor_test.go b/processor_test.go
index 4a80b4b6..177f1506 100644
--- a/processor_test.go
+++ b/processor_test.go
@@ -129,3 +129,65 @@ gh-56 hoge fuga`,
 		),
 	)
 }
+
+func TestBitbucketProcessor(t *testing.T) {
+	assert := assert.New(t)
+
+	config := &Config{
+		Info: &Info{
+			RepositoryURL: "https://example.com",
+		},
+	}
+
+	processor := &BitbucketProcessor{}
+
+	processor.Bootstrap(config)
+
+	assert.Equal(
+		&Commit{
+			Header:  "message [@foo](https://bitbucket.org/foo/) [#123](https://example.com/issues/123/)",
+			Subject: "message [@foo](https://bitbucket.org/foo/) [#123](https://example.com/issues/123/)",
+			Body: `issue [#456](https://example.com/issues/456/)
+multiline [#789](https://example.com/issues/789/)
+[@foo](https://bitbucket.org/foo/), [@bar](https://bitbucket.org/bar/)`,
+			Notes: []*Note{
+				&Note{
+					Body: `issue1 [#11](https://example.com/issues/11/)
+issue2 [#22](https://example.com/issues/22/)
+gh-56 hoge fuga`,
+				},
+			},
+		},
+		processor.ProcessCommit(
+			&Commit{
+				Header:  "message @foo #123",
+				Subject: "message @foo #123",
+				Body: `issue #456
+multiline #789
+@foo, @bar`,
+				Notes: []*Note{
+					&Note{
+						Body: `issue1 #11
+issue2 #22
+gh-56 hoge fuga`,
+					},
+				},
+			},
+		),
+	)
+
+	assert.Equal(
+		&Commit{
+			Revert: &Revert{
+				Header: "revert header [@mention](https://bitbucket.org/mention/) [#123](https://example.com/issues/123/)",
+			},
+		},
+		processor.ProcessCommit(
+			&Commit{
+				Revert: &Revert{
+					Header: "revert header @mention #123",
+				},
+			},
+		),
+	)
+}